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The following diagrams illustrate the method: Les cartes, planches, tableaux, etc., peuvent Atre film6s d des taux de reduction diff6rents. Lorsque le document est trop grand pour Atre reproduit en un seul clich6, 11 est film6 A partir de I'angle supdrieur gauche, de gauche d droite, et de haut en bas, en prenant le nombre d'images ndcessaire. Les diagrammes suivants illustrent la mdthode. f errata d to It e pelure, ;on d 1 2 3 1 2 3 4 5 6 32X I PART II. FOURTH AND FIFTH CLASSES. f!i EXERCISES IN ARITHMETIC. , i. • i '•n CUTH BERT'S C97 Exercises in ArithiMetk FOR USK IN TUB SENIOR CLASSES OF F^UIJLIC SCHOOLS. PART //. il A COLLECTION OF PROBLRMS SriTABLE FOR caxndidatris for thi<: entrance and puelic School Leaving Examinations WITH ANSWLSRB. SECOND EDITION. BY W. N. CUTHBERT, 'I oronto. 'J'ORONTO : THE COPP, CLARK COMPANY, LIMITED. 1896. .1,1 '■\ i I.ntcred accordiriir to Act of the Parliament of CannHa, in the year one thousand eiifht hundred and ninety-four, by Thk Ccpp, (Jlaiik 'Jompant, Limitkd, Toronto, Onti'.rio, in the Office of tiie Miiiisi.r of A^ri'tulture. PIIEFACK TO FIRST EDITION. Tdr iSec«»inl I'urtof my Kx bo composed of an indelinito numlter of straight lines ; and by drawing an indeli!iito luimijer of straight ines (radii) from tho center of tlio circle to its circumference, wo can get an indefinite number ot triangles (sectors). Now the area of each of those triangles is equal to half the base multiplied by tho altitude (the radius, or half the diameter, of tho circle) ; therefore, luilf the circnmfcroice of tJie circle (half tho bases of these triangles) mnllipl'u'd by lidlf Uie diameter of the circle (the altitude of these triangles) iseqn d to the nrea of the circle. [7J r. \ m ■XKKCIMK8 IN AKITII M KTIO. Tkll may >>o buttor «xpUinoil hy lofiMoncu to tha following Tigs. Circlu dividid into u Number of Suutorn. ( 'il'.'lt' I i';ili>l()llll<' iikiihiiiu of tlio Utnuth niiiUipluil \>y tilt* iiiniMiiK! I f lliii \Mili|i ; itml tla; iiicuHiii'ti of tliO 1«iij,mI» .)! iloH ri'rtnii'^U' is Imlt' tln< riii'iiiut' iliiiiiuttcr. This, howoviT, may ho )h'ini>iislrii(i'i|, ni u way, hy iihIii'^ u (Miciilar ink Itottlu aii«l \\ piuci) of cord. Tho cirt'iimt'rriiiiLU miy ho .shmvii /<> »mi's •(/•»• thu lUain t^r inme Unn^ ilu*'v Hinci. It iiiuuNiiroH it ^| times, ii.'iuly, whuh in |)nicliiully corri'ct. Now, if nf timt'.H nny uivin immhor o<|imlH u ciTtain nmiihi r, thou M) timuM tht> halt' of th/tt given nuutltur uciuuIh tht) halt' ot the certain nuiulu'r, hm for I'xamplu : :]}y\i Jh Aiul 3) X (liatiiotor of a cirolo = circtimforonco. /. 3| X J «liamut«r of a circle = A ciriumft'rinco. Ititt ^ I'lrnnitt'i'i'i'iii'r x \ ilUtmclct' of a circle = itrai, therefore, hy BUh»titiitim.% ui) hav«> : (Ilj X h iliamotiM) x h 00 Ihs. (net). " salt = 280 Ihs. (net). ♦' lime = 220 lbs. (net). I k . b i( «t (< • ) ., 1 10 EXRKCISRS IN ARITHMETIC. Hay well settled 4^ lbs. to the cubic foot. Corn on cob, in bin 22 lbs. to tlio cubic foot. Corn slielled 45 lbs. to the cubic foot. Wiioat 48 lbs. to tho cubic foot. Oats '2bl lbs. to tho cubic foot. Potatoes ,')Sh lbs. to tlie cubic foot. Sand (dry) 95 Dw. to the cubic foot. Clay (coni{)actj lo5 lbs. to the cubic foot. Marble 1G9 lbs. to the cubic foot. Anthracite (stone or liard) coal = 33 cub. feet per ton. Bituminous (lignite or soft) coal = 42 cub. feet ])cr ton. A Surveyor's chain is 66 feet long. 22 yards long. it *' 4 rod.s long. •♦ 100 links long. \ Exercise I. 1. Divide $990 among A Ji and C, giving B twice as much as C, and A ^^0 mure than | of t!io remainder. 2. A can walk 4 miles, 80 rods, an hour, and B can walk 110 yds. in a minute, liow long will it take A to oveitako B if the latter has 2 minutes the start ? 3. A can do a piece of work in 6 days, B in 9 days and C in ten days. A and B work together at it for "J days, then B and C work together at it for k a day. How long will it take a boy, who does ^ a« much in a day as C, to finish it? ' A has half as nnich money as B, and B has one-fourth as Ui\x,.'(>. /.gain as C. What per cent, of A's }iionoy is ^ of C's ? 6. Two men carry a weight of o cwt. 41 lbs. between them, and ■Mi'ii iis-ads are to one another as 0:5. By how much does one K dd exceed the other '{ 6. A man sold a horse which cost him $154, losing by the sale 10 per cent, of the proceeds. Find the price at which he sold the horse. 7. Find the cost of paving a square court-yard 24 yds. to a side, at 3 cents a sq. foot. > Fourth class. 11 • 8. The Province of Manitoba coiitiiiiis IIGOOO sq. miles. What is tlie Province worth at $2.50 an acre ? 9. If 7 pears buy 5 peacliea, and 8 peaches buy 15 ai)ples, and there are 90 api)le.s i i a peck, how many doz. pears will 100 quarts of apples buy ? 10. A man mixed 14 bualiels of clover seed with 20 bushels of timothy scud, and sold 30 biisliels of the mixture. What was tlio value of the chjver seed sold at $♦) a bus) i el i 11. A farmer sowed 21 bushels, 5.5J11)S. of wheat on 7 acres, 40 sq. rods of land. How many ounces was that to the sq. fuoti 12. Simplify yf7 + rr^jj + ^. 13. The lari^or wheel of a bicycle is 4^ yds. in circuinfcrenoe, and the smaller wheel is 24 feet in c rcumforence. IIdw often will the same points in the wheels como in contact with the ground, .simultanoou.sly, in going 5 miles, 950 yards ? Exercise 11. y 1. Find the cost of a tract of land 75 chains long by 15 chains wide at $00 an acre. 2. Multiply 6 1 acres, 121 rods, 30 yds., 2 ft., 90 inches by 8 ; divide the result by 9 ; and roduce the quotient, thus obtained, to square inches. 3. A man walked 25 miles on Monrl.iy, IfiOO rods n Tuesday, 36900 ft. on We_ HO a bushel with 12 bushels of inillt't worth $3.20 a Imshel. Find the value of 11 bu lels of the mixture. 13. (a) What i.s the value of 1 mile 18 » rods of rope at 5 cents for 10 yards 1 (b) How often is the G.C.M. of 155 and ISl^''^ contained in their sum ? Exercise III. 1. A railway train going 15 miles n hour takes 3 minutes to cross a bridge OGO yds. long. Find the length of the train. 2. The simple interest on $800 for a certain time at 5^ per cent, is $264. Kind the time. 3. A boy sold a coat which cost him $24 losing 20 per cent, of the proceeds. Find the price at which he sold it. 4. The total cost of G6 lbs., 10? ozs. butter ;it 2}.\ cents an oz., and a certain number of bushels of wheat at 87^ cents a bushel, was $58.60. Find the number of bushels of wheat. 5. A manufacturer sold his goods ^o a wholesale merchant, gaining 20 per cent. The wholesale merchant sold to the retailer at an advance of 8J per cent. What would the manufacturer have gained on the sale of 6G0O dollars' worth of goods, had he sold direct to the retailer at wliolesale prices ? 6. Simplify (a) (3i + 2i)x3i-(l^-U) ; (6) (3^ 2^) x (3^ - H) 7 If f of a car-load of cheese cost $540, what would be the value of ten such car-loads ? 8. If 9620 lbs. of wheat at 75 cents a bushel, 480 His. apples (undried) at 90 cents a bag, and 4 tons of bran cost $183.85, what was bran a cwt.? 9. If 9 oxen or 12 sheep can feed on a certain field for 6 days, how many days could 20 slieep and as many oxen feed on a field 8^ times as large ? ^ POUKTH CLASS. 1.". < X 10. By sellin!? an article for 4 shillings, Od., I lose 5 per cent. At what price, in Canadian currency, must I sell it in order to gain 140 per cent. ? 11. From 45 miles, 80 rods, 4 yds., 2 ft., 6 inches subtract 13 miles ISO rods, 6 yds., 2 ft., 8 inches. 12. At what time are the hands of a watch equidistant from the Hgure VI? 13. (a) A cheese-monger sold 2184 cheeses at $.'30 each. On one- half of them ho gained 130 i)er cent., and on the other half he lost .'{0 per cent. How nuich did lie \i!\'u\ or lose on tlitj whole lot? (6) The difference in weight of two chests of tea is 12 lbs. 8 ozs., and the value of both at 54 cents a lb. is .$47.25. How many lbs. are there in each chest? (o) Find the value ot 4G bushels, 15 lbs., 17 bubhcls, IG lbs., 47 bushel, 20 lbs., 10 ozs., 75 bushels, 30 lbs., (i ozs., 57 bushels, 18 lbs., 20 ozs., 1 > bushels, 10 lbs., 12 ozs., and 14 lbs. 8 ozs. of wh(!at at 72 cents a bushel. Exercise IV. 1. If a man walk 41 miles. 725 yds. during a week as follows, — G miles on M(mday, G50 rods on Tuesday, 18270 y Is. on Wednesday, 26400 feet on Thursday, 800 chains o"u Friday, 443520 imihes on Saturday, and the remainder of the distance the next day, tind the length of the Sabbath day's journey. 2. A rectangular farm cost $10980 at $45 an acre. It was 122 c lains long. How wide was it in rods ? 3. If 5 doz. bananas or 3 doz. pine-apples are worth $1.20, what would 15 doz. of each kind cost ? 4. A bought 6 stacks of hay of 16400 lbs. each at $15 a ton. He sold § of it at $17 a ton, and the rest at $16 a ton. How much did he gain or lose ? 5. Seven men engage to dig a ditch in 42 days, but owing to sickness one man is unable to work. II -^^ long will it take the rest of the men to dig the ditch ? 6. A mixture of 50 gallo is of liquid is 70 per cent, alcohol. How much alcoiiol must ))e added to make it 80 per cent, alcohol 1 7. If l'^ of a lottery ticket is worth 13 florins, and a florin is worth 2 sh. Sterling, what is the value, in Canadian money, of g of a lottery ticket ? 8. Find the H.C.F. of 1 rod, | of a yard, and 2 feet ; and the L.C.M. of 4716, 3930, and 9170. \in I fi t 1 '' i i ii i ■ ' ll J u EXRRCISB9 IN AIUTIIMBTIC. 9. If, by soiling an articlo for $7)1 a mercliauL lose 15 [)er cent., what per cent, would hu gain, should he reccivo $,b for the article? 10. A miner after losing J of \'^\ par cent, of his money has } of 90 per cent, of it k-ft, and the ng woald 0:10 dollars* worth of oats feed 27 horst-s, when oats are 37^ cents a bushel ? 12. A pile of wood is 60 feet long, 25 feot wide, and G feet high. How many cords of fifteen-inch wood are there in the pile? 13. (a) A sold ahorse toB, losing 8J per cent. ; B sold it to C for $240, gaining thorel)y 9j^^ per cent. What did the horse cost A ? (6) Find the auioinit of ib720 for 3 years, 2 niontlis at 8% per annum, (c) Had 5 times 70 bushels, 1 ])eck, 1 gallon, 3 quarts, 1 pint cf wheat; S(»ld 303 bushels, 10 ll)s., 5 oz.s. of it; find thd valuo of the remainder of my wheat at $1.20 a bushel. n Exercise VI. 1. Afc what time after 5 o'clock are the hands of a clock eciuidistant from the tigui e V ? 2. At what time after 11 o'clock are the hands 3 min. more than half an hour apart ? 3. At what time after 9 o'clock are the hands of a watch opposite to each other ? 4. At what times after 7 o'clock are thj hands of a watch (o) first at right angles? {b) coincident? (c) at right angles the second time ? 5. What time after 11 o'clock are the hands of a watch equidis- tant from the figure XL2 6. At what time past 11 o'clock are the hands of a watch 11 min. apart the second time ? 7. A watch which loses 5 seconds in every 2 minutes is set right at 8 o'clock a.m. What will be the true time when its hands are together between 4 and 5 p.m.? 8. At what time after 10 o'clock will the hands of a watch be together ? 9. By the clock it is VII. How far will the hands be apart when the minute hand has gained 11 minutes on the hour liand ? 16 EXUltCISKS IN AillTllMUTIC. 10. At whftt time aftor TIT o'clock hii« tlus IuuuIh of a wjitdi 40 minutes upait ? 11. At what time after 4 o'clock will the haiuls of a watch bo equidistant from the fij^uio IV? 12. It is 3 o'clock. By th(( time the minute hand has f.^aino(l 11 minutes on the Ikhu' hand, how many minutes will there !)■• b(:tw(.en the hands? I'.i. By the clock it is 12 o'clock. In what time Avill the hands bo ((t) f) min., 41 soconds apait V (/>) at li^dit aii'^lcs to each olIut for the first time 'i (c) 22 min. ai)art ? ((/) opposite oach other i* («) at rij^ht angles tho second limo^ \f) 5 min. apart .second time/ ((/) equidistant fvon» the liguro XII? Exercise VII. 1. A, B and C entjaged an opuri hf)Uso for a certain concert. B contributed 317*\ •*!:'-o(), ami A secufc I i he sri'\ kh-s (»t a rxni'iily company to "^dvo thcj conrert. The total receipts frinu the concert. were .SL'iiO, of which A's share was ^rjOit. Find t arh aitisL's fee, piven that the conqumy consisted of 21 artists iuckuling the leader, whose fee was $50. 2, A laborer ayreod to dig a certain ditch at 12 cents a rod. The first week ho dug 25 rods more than tho halt of it, and the next week he finished the remaining 21.") rods of the ditch, {(}) What was the on an average (d) \Vliat \V(M'.' his daily wa^es diiTerenco between his daily wages each week ? 3. If a farmer can keep 20 cows, that each makes 73 dollars' worth of butter a year, on 45 acres, tiO scp i-ods of pasture-land fcjr which he pays an annual rent of J?)], 20 per acre, what is ids yearly gain from the cows, supposing him to put aside $374. ttO for losses and expenses during the year I \ I i 4. Re uce 2f lbs. Avoirdupois to the fraction of lbs. Troy. S of | 5. By how much is ^ greater than '714285 ? 6. Oats are worth § of 7 sh., Od. (ISterling) a bushel, and hay is worth $15 a ton. IIow many bushela of oats ought to be given for 730 lbs. of hay ? 7. What is I of 5 acres, 80 sq. rods, 4 srp yds. ? 8. How many cows must a person buy at .^34 each, so tliat, after allowing 73 J cents for the food of each f, L,'avo away '» of his inonoy and tlicn lust !?S at l.illi:irds. \Vli;it has he still loft? V<). {(i) What is the valuo of 7 times ^ of 4 acres, 40 s(]. rods, 10 s(p yds. of land at !?;{8 7- an •.i-vv.'. (h) Bought ICi crates of o;^'}.;s of ■10 do/. (sK'li at 15 cents a do/. ; two out of every dcore wore l>ad ; Muld the remainiU'v jit 25 cents n do/. ; what did I gain, after i>aying a enmiasion m^ reliant iii'7.70 for selling the eggs? Exercise VIII. 1. What is the value of 2;=i of t':5i^ divided by 3g ? 2. At wli.it time after \) o'clock will the hands of a clock be one minute a[»art i 3. Our, nf a heap of C inadian cent pie -es, weighing 57 lbs. 8 o/s., 4 15') cent pieces are taken «,ud the hea;. then weighs 13 Iba. How many cent [lieces were lu the hea[) at first? 4. Fin 1 L.C.i\r. of : (a.; 7 feet, inches, and 4 fee , inches; and 5. If f, of 2 lbs. of sugar cost as much as 2 lbs., 8 ozs. of rice, and if 3^* 11)3. of rice cost 15 cents, what is the value of a barrel of su ,far wei-hing 300 lbs. ? 0. If (dophants eat 50000 lbs. of hay in 20 days, how many tons wduld last 5(5 elephants 33 days? 7. A field GO chains long and 80 rods wide will produce 21000 bushels (jf potatoes, What is the rate per acre ? 8. A goldsmith earned £3 Sterling in 5 days of 2 hours each ; what were his daily wagis in dollars and cents? 9. What will it cost to pave a court-yard 50 yds. long and 60 feet wide with square paving-stones 9 inches to a side, at 5 cents each stone ? h 1 18 KXKKCISKS IN Alt! I IIM C TIO. 10. If tho true diHcount on 81078, for n oertain time at B per cent, bo i<'JbS, on wluit huiii hIiouUI tlio truu discount, fur tho hhiiiu time, at 8 por cunt, bu ^4 U ? 11. A fruit m. and Iio sold tliu hjt at 15 cunts alb., tind bis ^iiin ur \oh» pur cent. 12. A man r<»]lin;^a wheel barrow takes 90 Htoi).s, each 2 foot, inches lon<^. in a niinuto. How often will thu whuul of the bairovv, which is 14 inches in dianuiter, revolve in an honr ? 13. (a) Mnd the cost of catpeting a room, 'J I fi- 1, 10 inches \ou^, by 10 feet, H inches wide, witli carpeting,' *J7 inches wide, nnniin^ lengthwise of tho room, and .dlowin^ 8 im Ins per strip for waste, tho carpet costing ii^l.'-.';") |)er yd. (h) A deah;r boui^ht bro nis at $24 a jzroHS, and sold them out at LT) cents I'.aeh ; find liis gain per doz. (c) The sum of three numbers is liL'aH, and ^ of thu lirst in ^ of the second ; also ^ of tho second i.i ^ of tho third ; tind the numbers. Exercise IX. 1. A man draws wood to supply a contract of 700 cords of twenty-inch wood. His sleigli-l ox is 14 ft. long, and he puts on 2 tiers, each 2 ft. in. high, the length of his sleigh-box, at each load. How many loads vill ho recpiire to draw to fill the c(»ntract i 2. How many bushels of pease at 80 cents a bushel must be mixed with 00 l)ushels of oats at oO cents a busho', to make a mixture on which may l)e gained 0}J per cent., by selling the mixture at 55 cents a bushel i 3. Find the value of ten rectangular plots of ground, each 55 by 40 yards, at $110 an acre. 4. The selling price of a pair of boots is Ih times the cost price and the gain at which they were sold is ^2. Fnid the cost price of the boots. 6. A sold a farm to B, gaining 5|} per cent, ot the cost. B then sold it to C for $3010, losing thereby 5 per cent Find A's cost price. 6. Divide $040 among A, B and C, so that B may have 6 times as much A, and that C may have Ik times as much as B. 7. If i of i^^j of a farm be worth ^5800, find the value of 80 per cent, of it. 8. If a lb. of tea is worth 3 lbs. of coffee, and 12 lbs, of coflTee are worth 15 lbs. of rice, what is the vabie of a chest of tea weighing 70 lbs., when rice i» worth 28 cents a lb.? ai T 1" A m Fi FOUHTH CLASS. 19 9. Find the cost of papering the walls of a room, 20 ft. l'»nj{ by in ft. wiclo, with paper '21 inches wido, worth 12]^ cunta a single roll, allowing 12 ft. for doors and windows. 10. A man aft«!r .spunding 82 inori' than ^^n *'f J^*** money found that ho had still left 40 per cent, of what ho had spent. Ilow niiich did ho spend ? 11. A proiliico dealer paid .*80 for butter, $t for hoof and 8120 forchoeae. Ho tluiii sold tho wlu)lo for .S.'!:.'"), u'.iinini^ 20 percent, on thy butter and 11 jj per cent, on tho beef. What percent, did he gain on tho chceso ( 12. Totn and Will receive 34 A per cent, of a basket of 78 dozen and 4 oran'^'es, dividinl among throe boys Tom, Will and Sam. If Tom got 4 for Sam's 5, and Sam got 'A for Will's 4, what fractional part of tho basket of oranges was divided among tlie tluoo boys i 13. Sold a horso for 8180 which was ^-'io more than he cost m(». Allowing 815 for his k«!ep whilo I owned liim, what per cent, did I make by tho transaction ? Exercise X. Find the prime factors of : 1. 340, 2800 and 2940. 2. 48G0, 5904 and 4500. 3. 8400, 3824 and 1380. 4. 4400, 8G4 and 5400. 5. 280, G40 and 7722. 6. 900, 1800 and 2500. 7. 45045, 8778 and 15400. s. 1280, 7200 and 8100. 9. 3300, 0500 and 3900. 10. 1800, 5200 and 7500. 11. 1150, 5040 and 1820. 12. 2100, 8700 and 3500. 13. 1340. 4050 and 5887. 4 * 20 BXERCI8KS IN AUITIIMICTir. Exernise XI. I'liul \]w L.C.Isr. of: 1. :j, !», IH. \n, 4r,, 21. 2. All the fnlnif niiiiil>*>i'H hctv^Meii 7 Htid 23 iiiclusivti. .'i. Ml lilt' > r, II iiiiiiilierM bittWfiMi 8 .iiid .'lU iucliiMivu. 4. 12, 14, 21, .'(2, 48 nw\ 50. 5 2, 4. 1>, IH. 10, ;{(), IHi). «, 4, y, 7, H, (i, 12, 14, 28, und uO. 7. «, 2, 18, 10, 17, 51, \). 8. 3, K), 28, 14, m, 20, 1200, KIHO, 1008 imd 720 t). 4, 7, 14. :tO, 21 iiiul 100. 10. All tlu' odil niiiubirM l)i;t\vi'«}ii 7 nnil 25 iiiclii,>Hivu. 11. All the nnn/ioitite hotwtt'ii 8 uml 28 luclnsivt'. 12. All th« I'l'en iiiiinlKa's Ix'twiuu M2 iiud 42 iiicliisive. 13. 740, 15.")4, 1054, 4278 iiiul 1035. Exercise XII. 1. Find tlieL.C.M. of all tlio prime nuinlxsr.s butwouii 2 and 17 iiulusivo. 2. Find the L.C.M. of all the even ninnbors l»otwoon 7 and 21. 3. Find the L.C.M. of 3U, 42, 48, 70, 75, GO, 120, 7, 4, 36, 25, 10 and 5. 4. Find the L.C.M. of 8, 3, 1(1. 48, 2iN 50, and 75. .^^. Find the L.C.M. of 2, 9, 18, 45. 63, 70 and 72. 6. Find the L.C.M. of all the odd nuuihers butwuon 8 and 28. 7. Find the L.C.M. of all the e(»niposite numbers between 15 and 25 inclusive. . 8. Find the L.C.M. of 8, 19, 27, 50, 54, 57 ftnd 7182. 9. Find the L.C.M. of 11, 2, 22, 75, 150, 00 and 20. 10. Find the L.C.M. of 3, 28, 50, 15, 45, 00, 27, 30, 48, 90, 125 and 420. 11. Find the L.C.M. of 6, 9, 18, 24, 30, 103, 90 and 4;i2. 12. Find the L.C.M. of 34, 170, 95 152, 62, 117 and 00. 13. (a) Find the L.C.M. of 41, 39, 123, 40, 75, 110. (6) Find the L.C.M. of 5i, 41i«i, 4g and 11^. POITIITII <'i.\sn. 31 Exercise XIII Fiii.l tlio n.r.F. of: 1. l!»:.r»7 hikI \ts\\\r.\:\. 2. KVJI4 1111(1 lO.'I'JL'H. a i:ni aixi ir>.'Ui. 4. :J:iHt. H'J72. 70(17 himI 2ii()i>. 5. lolU, 1177 Htul I<;hi. n. ft'j77. io!>47Hti(l ii::o3. 7. 5187. 5850 1111(1 ]:VM). 8. Cr.'n. r)'.M;7 and i(;n2. 0. 8i8r>7;{»» hikI t.'o:.7H7i>2. 10. 15(10, 1.VM)/vu.l 2'J'J'A. 11. 8541, 2'JI(;i iin.l liO:U87. 12. 1247. 1505. 1720 uiid :{8ii7. 13. 370G5, 701G7 and (iliOl. .14 m • r :\ j L .7 Exercise XIV. Find the O.C.M <.f 1. 225, 1575, 001)0 Mild 0225 2. 10287 and (>7818. 3. (;0()2 and 82(55. 4. 428108 and 58(;740. 6. 040, 724, 9(^.8 and 3S28. 6. 1470, 4007 and 507. 7. 4100, ^282, 12:U1 and :52.W. 8. 1800, 3000 and 5208. 9. 444, 1480, 10()5, and l.'IOO. 10. 984,1470, 2952, and 241572. 11. 14.m5, 20.391, and 49287. 12. 107G7, 9409, and 20:!(»21. 13. 7029, (-.0.39 and 9999. I : I i !^l S3 EXKnciuM ly AiiinniKTia Exercise XV. 1. Find tho L CM. ..f li, 8, 'U, 42, HS. Ort. 170 am? ftrtif). II r'fc'^'f 'r im" ''/Vr?.."^ ^' ''^*' '*'*' "^'"^' ''•*' '*'"' **» ''-^ ^'»« U.L. t of JilUi luid it'.Ki.tt. 3. Divi.l.j fl... LC.M. of 8. 20. 10, IS. ICvn.l 108 hy Uio II C.P. [. Divi.l.. tl... L.riNT. ofO, 10. 21. «'2. 8'. fin.1 117 hy tho If.r.F. of l!L'o7 III 1(1 Jim',). n,J: 'V''i" ^i'" ^'^^^ "^ "• "^ •'' ^-' I''' ^i- '« »'y f^»« " o.F. of n(H):» liiid „ ,7,, .|^\^ ^„,i ^4^, 11. Find tho L C..M. of (Oli-5-0,*;) nnd (,••, x Ig). 12. Fin.l tho L.C.M. of (8i7jxl.'^,) and 12^ - llJ + 4,\- *J. 13. (a) Find tho G.C.M.of and 8 X t") X ? (6) Find tho O.C.M. nnd L.C.M. of + h of 22 and (;^-r;|) of ^ -7- 4 § + M^-il + 3- ('•) Sold 8184 Il).s. wluwit ntOlJ cents a bushol, and with tho procouds bought 220.t'^y yds. carpot. What was tho caiuot worth T)or yd. 'i Exercise XVI. 1. Find tho value of lj{ + 2j4-3J + 4J. 2. Find tho 8um of O^V, r„ m U- 3. Whati8i%+iVa + ir/j? ^- 4. Add 5i^^„ S^^f, 5i| and f ^ 6. Find tho sum of 5^%, 2,V ^g and J J. 0. Find the value of liV+5i| + .'3i^ + 4^. FOURTH (LAMt. S3 7. WlmtU(.0 03-23l (^)U^j-8,"y1 (>')l2^-^,\^ 8. Subtmot 18 1 J trom 25/,,, miil 18] ) from 'J1|V 0, Siihtnict 12|;} from "JO,",, iiii-l rtO from 10^. 11. SuhLmct (m lOi'V- 409 mi 12. Sul>truct §} from 13. (a) Subtract — from .'J| of 10},^. (6) Add | of u iq rod, I of a sq. yd., ^ of n m) 14,\ by 7^. 2. NVhtttia33xl|5x^!|,x|J1 ^ 3. Simplify 7ix5'VxAx8x«x68x3iV 4. Multiply 2J, y, IJ, i\, g together. 5. Simplify Ijj x 'Ji'a x33"5 x43il x i?. 0. What i8 8 ,\ X i} J X 2^ X 3g X ,7^ x 10 ? 7. Divide (a) VJ^^i by 1,^^ ; and (h) 131 by 4^. 8. What is (a) 62+3i ? and (6) SJ-rTi? I; Hud I --+9gof 4|V I I 10] if 9. Simplify \ -i-5S3 10. What is (a) 22^8^2} jg? and (6) 133254-8,^? 11. Divide 21i by 4^ ; ll,>t by 24 of 1^ ; 7^ by 43^0^. 5A 12. What is —^-(^5 of 3^)? 4J 7 (U of ^) la Divide (a) I (sT"} hy.^iih) \ (lSof5,S)}.by4, \ ^^ ] 24 EXEliCIbES IN AUrillMKTK Exercise XVIII. 1. AdcU, 3|, 2J, ^u.d^. 2. Simplify I of fj + i of ? + 13, of ?^ + ^}^ of 11. 3. Simplify Jiii-(^^+M)^ +(^+i + > + i)+15| 4 Simplify '{(^ + hk-fi)^{4'i-'Sa + ^\,)y +^i. - c- If 7,', of ryi +2 104 o. Simplify " ^ ' * ^ Hi, of L\\-] M)r> 6. Simplify § of ^liV "f ^'H7(t-iAt. - c ^■t lof Ux'J?; of 4aof 1> 7. Simplify ^' 7 :• ° i! y li 8. Simplify 7 -''21 J I 1 7 ^+ — V • 3H2iV + -{{^T-7AUi^8 9. Simplify l§ + ji 10 7^ fof2^ 3' -H 3 5 3 + + 1 + iO. Simplify 7 5 3 8- ()• 1 + 11. Simplify 2-1 2-t 1+h Hi of Hi ^jof (l + 5^) + t of 2^ of (7-2i)-i 4 1.5 -rl7 12. Simplify 24^ + 5 of I -r- - 2(y. 30 13. Simplify .f of } ni o- of 40 FOURTH Cr.ASS. Exercise XIX. 36 1. \Vliat fraction divided by 3 of 12 will give ^ for quotient 1 2. ITow in;iny vests, each containing J of a yard, can bo made out of 24 yards of cloth? y. liow many |)«)or ptioplo can bo supplied with ^ of a lb. of meat each, out of a basket containing lT) lbs., \)'i o/.h.I 4. A lady boie^dit three pioct s of cloth ; tin* tirxt contained 30^ ydfl.; tlie secoml 28] yds.; the third 25^ yds. How may yards, iii all, did she l)uy i r>. If § of a mill is worth §5225, what is | of the remainder worth? 0. Ex])ress tlu; following in fractions with the least common ilenf)min;itor, and lind the ditference between the greatest and the least .7, ifj, 7, 1 and t^^. 7. If 27;^ miles are travelled in 2f^ hours, how long will be required for llj;;;\ miles? 8. A man lias ,'^7.; of an acre in one plot ; f of an acre in another; l^Vj acres in another ; and 4;^ acres in a fourth. How many acres has he altogether 1 9. A dairyman sells ('),5 lbs. of cheese from a piece weighing 20 lbs., 4 ozs. How much of the piece has he left? 10. A man who owns ^^ of a ship, sells J of his share ; what fraction of the whole ship does he still possess? 11. The sum of throe nunibers is >'5 ; the least is ^ and the greaiest ^J ; what is the prodiict of the three numbers ? 12. A house and lot together cost 82400 ; the lot cost \ of what the house cost ; find the cost of each. 13. (a) The remainder 9 is 1 of the divisor and § of the quotient ; what is the dividend ? {h) A cistern loses, by leakage, 4 gallons .3 quarts, 1 pint, in 7 hours, 48 minutes ; what is its hourly rate of loss ? \m I Exercise XX. 1. What is the value of 2| of 3| divided by 3|? 2. Add together |, {;}, ^f , and ^l^j , and divide the sura by the ditference between ^| and ^^. Ml; I, '.I I ' I 2fi BXRRCISES IN ARITHMETIC. 3, Arrange the following fractions in order of magnitude |, |, 3 + 4 and 4 + 5 4. (rt) Find the L.O.M. of 1547, 1729 and 4199 ; (6) Add y/- ^"tt antl i|3^. 215T» 5. The numerator of a fraction is 3, and the fraction becomes yl, when divided by 2. What is the fraction ? 6. The numerator of a fraction is 16, and tho fraction becomes 144 when multiplied by 40. What is the fraction? 7. Simplify ^of7,\ 40 8;^ 11/j ^fHf 7 20 '"hT 8. Simplify and their difference is 5^ + 5J (4S - 4,7^) of f J 5f-5i* 4§ + 4,7jof §J * 54J 9. The less of two numbers is If iof8| — ; what is the greater number ? 10. Simplify (a) | of Klf + A ^f "7-^1? of 3; (6) 1 ^ ) HI i+ + 7 >of of $210. n 2; J- ) Hu 11. Di\ iilc yIjt by the difference between the greatest and least of the following fractions : |^, \l and ^^. 12. W!i;it number added to f + ^ will give that number which, yrhen subuucted from 3^^, leaves 1^ ? HHi)-; la (a) Simplify Hi If 1 + (6) Multiply the sum of ^, ^, and f by 2-i the difforoMce between 4 and |. (c) J of ^. ('/) If a plot of ground f of 750 lots of equal size, what part of an acre will each lot contiun ? Illustrate ^ of f , ^ of ^, f of ^, square be divided into (e) Simplify |(§ • |) of ^^ H rOUIlTH CLASS. Exercise XXI. 27 I. Reduce the diU'orence beLwoen 14 tons, 1(5 cwt., 11 lbs. jind li{ tons, 18 cwt., 20 lbs., to ounces. •J. \ boy, having a basket of oranges, , what is thn farm worth ? 4. If 1*^ of a bushol of potatoes cost $2, what is 23 pocks worth at tho siiino rate ? 5. What is H of an aero of land worth, if j^ of an aero is worth $18 '{ 6. If J of a coal mine is wortli $0000, what is the value of ^^ of it? 7. If I of I of an estate is worth $900, what is the value of thi; estate ? 8. What is ^ of ^-t-yjj of i''" orchard worth, when f of it is worth $500 ? 9. A man sold threo quarters of beef for $.''0, and one quarter of mutton for $3. At that rate, what was the value of the whole of his beef and mutton '( 10. When ^ of a gross of lead pencils cost $4, what will half a gross cost 'i What is that apiece ? 11. If I of ,^ of a wiigon-load of turf will cover .r)0 for 4 yours at 7 per cent, per niniiuii 4. KxprcsH ('27 of 13s. 4d.) + (-lU4 of £2 10s.; as the ilociniai ot i'IH2s. (kl. 5. What is the value of (.^ (.f -lO-r •.S7r>)- of ^UO ( 6. On what smii is )?ir»7.50 tho true discount for 2 years, (> iiioiitlis, at 7 per eont. per aiiiiMm ] 7. A dealer can well 7!>U bushels of ))arlev foi JS4H0 cash, or tor i^ollO due in 1 yeai" (5 iiionMis heiiei;. Whii-h olVcr iiad he better !ieee[)t, money briiiLj uorili 8 [ter ueiit. per annum ? 71 ». Simplify (rj;!;!-:,-, "f 4! ^-^ I"" f 7.," ^•1 I'V 21.*.".". > \ r.40()f "" 9. What time after I'J o'clock will the liamls of a watch be Jird at an anifle »»f i'_'0 decrees ? 10. An a'4ent sold 215 bushels of apples at 82. MO a barrel on a conunissidn of 4 per cent. , tiiid the anumnt of his eommi.ssiim. 11. A and B own | of ecks of clover seed at $o a bushel for hay at 80 cents a cwt. Itow many tons and lbs. does he get? 13. (a) Find the value ot 4 barrels of ei^gs, of 96 doz. each, at 35 cents a score, (h) A can m(jv; .'j of a field in 3 days, and Bean mow 1 of the same field in 3 days. In what time could both, working together, mow -^r, of the field ? Exercise XXIV. 1. A line X is one-third as long again as a line Y, and Y is three- fourths as long again as a line Z. VVhat fraetiijn of AT is ^ of Z ? 2. Divide 8225 between A and B, giving A 1| times as much asB. 3. A man sold a lot, losing thereby 25 per cent, of the cost of the lot, and Avith the proeee(l.s he bought a bankrupt stock of grt)ceries which he innnediately .sold for 8":5500, thereby gaining 16| per cent ; find the cost price ui the lot and his total gain or loss per cent, by his transactions. * i' 30 SXliROISES IN ARITHMBTIO. pure Bilvor bo worth $15 a lb., find the value of 102 ounces of Eimliah standard silver. 4. If P 5. A'a jiGjo i.s 6f>lj per cent, of B'a, and 7 years ago tlie half of tlio sum of their ng(!H was 13 years ; timl tlieir ages. 0. Dividt) $',(>ir) anioin,' A, 11, C, D and E, Riving A $30 less timn C, C 810 more than I'., li $100 Iohh than E, E siO'moru than A and B toL,'otht'r, and D half as much as all the ) How niiidi Itss than § of it will ho done '{ 7. A bill of 55 Ihs. of nnjtton and 45 lbs. of veal amounted to .':i«l.'<.35. The veal cost \i cents a lb. more than the mutton. What i.s the vahie, at this rate, (.t onecwt. of mutton? 8. A person who paid away ,'| of the contents of his purse, and was r()bl»ed of \l <>f tliu i-oMiaiuder, found that ho had atill left i^LSO. Jlow much luiM lu^ at Jirst 'if 0. Two h()rsc.'^ are worth as much as 5 oxen, and 3 oxen as much a.s IG sheei). What will Ije the value of a horse, if the price of a MU(jre of sheep is iJiSJJOl) ? 10. A buys 75 tons, 2 cwt. of hay at $14 a ton ; B buys 64 cords of wood itt !ir').75 a (!(jrd, and (v l)U}stt piijs o.ich weij^hio'^ 115 lbs. at ^3.26 a cwt. IJow much ^locis A [jay moi-e than B and C together? 11. In mavldntj quest i'lis one is the maximum, and six the miidnmm. What per cent, does a candidate make who receives 4 marks) 12. If S8 be allowed as the interest on $160 for a certain time, what will be tJie interest on the same sum for twice that time at half the rate ? 13. A man owning a section and a. half of land in Manitoba sold (wo rectangular lots out of it . the lirst, 50 by 40 rods at $150 an acre, and the second 90 by 70 rttds at $80 an acre. What was his average selling price per acre 1 Exercise XXVI. 1. A and B start from iMontreal for Ottawa at the same time that G starts from (.)ttawa for Mi'Utieal, a di.'^tance of 100 miles. A and B travel, res[)Gcrively, 10 and 8 mile.s an hour, and C 11 miles an hour, (a) In how many hours will (J be midway between A and B i (b) How far will G be distant from A ? 2. A rectangle contains !)600 .square yards of area, and its sides are to one anothor as 3 : 2. Find the number of yards in a side and an end of t!ie rectangle. i :iJ I- 4 liiiul iiMil !i foi'iHjii.'irtnrnf h.-.-f wiM'^Imm'^ 'J.'t'J |M>iinn what, lio hiis soM, ."?110|() iiimic ^mm tin; \vliol«» truct iMHfc him. How iii.iny hcwh wcro there in the tract hoiittht? 4. A cwt. (.f herf in Kiii,'l(iii(l is worth 8*{('>.n() Cati.ulinn ciir- renoy. At iiow many ponce por Ih. must it ho sold to y.iin 40 pel" r((nt. ? 6. A niillor rocoivod .S2nr).12', for flour at ft7.'io. tv hni;. ITow many hiirrels an<1 poiuHls of flmr ilid In; soil, and wliiif dirl a ha^; jiold, givon that Hour is worth !?.'{. 50 a, cwt.? 6. At 11 cents a rod, what will 4 niilos 110 rods of fencing cost '/ 7. r.ou^lit 20 Ihs. hlaek toa and 15 lbs. ijreen tea for $20.60. Tho black ti ,i co.'^t 28 (tents a lb. more than tho i^recn tea. Find the cost prieo of a ton-pound "caddio" of groon tea. 8. From 21 acres take 10 acres, 3 roods, 30^ S(|. yards. 0. A man spent 1 of a certain sum of inonoy. thei\ .St more than ii of the r(Oiianidor, then ^ of what still remained all but $6, when ho had yet loft .SU>. What was the original sum ? 10. Wliat time after 9 o'clock are the hands of a wateh ofpiidistant from the liL,'uro IX ? 11. Sixteen men can do a i)ioce of work in 10 days. How long will it take them when assisted by 4 men ? 12. A fruit dealer bmv^dif barnd.s of ;ipples at $2.45 a barrel. The six barrels contained 83 doz. each, and he sold them out at 5 for .3 cents. Find iiis gain per cent. 13. (a) If a quart contain 78 i'n])ic inches, how many })nshels of grain will a uniform circular elevator, 42 feet in diameter and 01 foot hisxh. hold ? (/>) How often does the L.C..M. of 10},, 4i and 40Jt contain tlnnr H.C.F.? (c) A has twice as much money as P>. A receives !$70, and B receives 30/^ less money than A. but tlnds that his jnoney is increased by 1101% of what it was Ht Hrat. Ho'.t^ much money had A and B (together) at first ? Exercise XXVIII. 1. Find the total cost of putting a board fence, 4 boards high, round a lot, 81 rods. 4 yds., 2 feet long, by o9 rods, 2 yds., C inches wide, with inch-lumber 7 in(ynes wide at §12 a thousand, the posts being 7 foet apart, and costing 7 cents each, and the labor of making the fence being at the rate of $33 a mile. M ;h H ^XV.nr.l^KH IN AMITIlMKTtr. 2. Find the ooHt prioo nt clieoHo, |)or cwt., it' li salu of 50 owt. for ,t. l], Fiml tlio v.iliuj of tliij Hynip 'niiliiiiiDd in u vussol, wlilili i» exiifily illlcd liy Hiii|ityiii^ into it tlio uotitiMitH of 2( du/.oii tiiiiform on't'iilar tin jtiils, o;ioh II iirluis in di.inj 'ttM* and I'i iiiclun ilt'i![», wlnii ;i j^'.illun of syrup w-' 'Iim i'A^ [Ua., worth H\ ii'iitM h Ih. 4. If n . A thon ret..'jH from tliu biisinosH : wli;it ;(U 'ull ho tiikf with iiini? 6. Sixty conts will buy 1 cocouiuts, 12 "Imm^'os, or *J0 biinjinas ; how iiiuny do/^uu ImuiinaH urn worth im much na 'J ilu/.un orungnH und 4 C()co;inutH ? 7. A nuwsboy bought a certain nnnibor of naptrH ut 3 conts each. Ilo sold thoni, i^aininf,' ^'.\, which was O^j pur cent, of IiIh Halos. Find tho nuinbiT of papers bought. 8. Fintl tho number of acres, an. rods, etc., in a tract of Ian I oonsistin*,' of 50 s(piaro fields, each 14 chains 40 lin1 dozen oran'_^es and leujons for i;^l«j.80, the lemons at 3 cents oacli, and the oritiiL^'es at 5 ceJits each. How many do/on more lemons were there than ranj^es ? U „ 2i-lj{ 8j^ 10. By wliat fraction must j-jT of f + i • in~H4 be divided in order to give a quotient of ij ? 11. A boy's homo is situated one-third of the way from N to TNI, two villages on the bank of a river. The boy can row from home to M and back in 2 hours, 8 minutes, and ho can row from home to N in 40 ii)inutes. He leav(js homo n 8 a.m., and rows to N, thon, from N to M, wher.! ho stays 48 minutes, after which ho rows home. What time dues he reach hfjme ? 12. Divide the number 1089 in tho proportions of J, ^ and yg- 13. In Winnipeg, a man paid $55 a foot frontage for a store site. What was laud, an acre, in Winnipeg? Exercise XXIX. 1. A man invested $1540 in sheep ; he then sold a certain number for $297 at $4.95 a head, losing thereby 11^ per cent, of his sales. Row many sheep did he buy ? FOURTir CLAfm. 30 2. A pornon borrowH a roifuin suiii nf inmu'y fnr 4 yr.irM, 6 itiontliH, fitfi^ por ci nt. and iriiirns, at thuunil of tliut tiinu, lefii'JJJD. Wlmt w/iH tliu Niiiii l)urr()Wi)(t ? 3. A gtiitluhiaiii from London (Kii};.) [)iii^ £'2'iO Sterling for n **r<< timn 25 por cent, of tlm cost pec (;wt. in Illinois, uimI tli> [KirUur pays l!(|Mi;() duly on u Cfvr-ltiiid of lo()0 Ijo-h fiNcnigmg IhO 11>8. uucli, what is pork [hm' uwt. in Illinoiti ? 6. If a twiintylivt) ctmt pioco weiji;li 3 dwtH., 18 ^'rs., h(»w many flve-cen^ pii-ces wonM wii'^li IVi Ib.s. Avoi'liipois / ll^w much is tlie puru Hilvur in thorn worth at i|5l8.'J8) a ll>.V iid, otiior things bcini{ uipuil i 7. F'ind tho cost of wiro, at 8 conts p'r 5 ylots of rectanijular 8hai)0, each !)0 by 80 yds., which ho has plaiiit^d with potatctos. Find tho value of the crop, supposing iioO bushels to grow on an acio, and potatoes to be worth 00 cents a bushel. 12. A drover paid l?18595.50, in Toront.), for 200 head of i)rime cattle, avera,t,'ing 1771 lbs. o.icli. llo shii pod thoiu to ljivor[Hiol at a cost of .SlO.Ot) a head, and sold them in the Kngli-sh market at 9 pence a lb. Find his gain. 13. The larger wheel, of a hie vole, which is 16 feet in circum- fe g ence ng 2 mailer wheel makes 0.'J90ii rovolulioiis hjss than tho smaller wheel in 20 miles, 60 rods, 15 feet. Find tho circumference of the i1 'M I m 36 KXKIUiNKN IN AKiniMITIO. EX«Tw ofti'ii (IniH iIm 1<. C. M. of :i, 0, 17, IH, 42 lUid (it n.iiluiii Ihr <;. i\ M of IM-i'MmiimI I'MJKiL'V 2. ('«) l{« si.lvo iHtJ, •l.'M> Hh"! TJ^'-''^ »»»••» tlu'lr iuinn' fiu'r<>rH. (/») UmO tlll'HU flU'tiiK to |>l'(»Vl) till* tiutli of null of tito fo||oS\tliU Mtiitu* nit'tilH ; — I. "Till) (J. C. M. of twoorni"r«» iiimil>t'rH is i>oiii|m)n«>>/ fartorn tliut iiidliiduN tliy tuotorH of uHcli uiviii iiiiiiilit'r." 3. {(i) |{i«Molv(' l.'KirMUitl irMii iiiti. tlii'irpriiiu- fiu'toVM. (/») Fium tlio fiiiturs ihiiH ol(t,iiii(i| K«'li I I ih«'si' tucinrs uiiu'h t'nnn (i.)tlii' (i.e. M.; iirxl dr.; ihou! whi«li »oiiii llic Ij.C.M. {< , Show (i.) timt tlu> (i.e. M. iumI L. C M. ur»^ i;oiii)»oisr«l of nil tliu fiictois of tln'Hi5 tiro niimlMis ; ainl (ll ) tli.it tlio (».('.M. in cnnnMisiul of all flu» fact" ri'jtcd'd liv tliti jj. (' M,, iiml »'/V» cms,;; m.) tlmt Llit! (1.0. ..'. X L. (J. M. III.' iM'HJiul of tho iiihiiImi>>. (Why /); iv.) thur till) G. C. IM. X L. <'. M. :- ono of tho nmiiluTM - tho othrr iiuiiiIhv, m\>\ I'ii'r (vml ; him! (v.) that \\w \i. C M. of tho two num- boiH — tht ir product -r tlhir (i. ('. M., ainl oice aiad. 4. Fiiiil 'ho [i. C. M. of j>„, ^, ,»^ iitid T^. 5. "'I'lio priicif)!*) of liiiditi'^ tho <}. 0. M. of two nninht'iK d('iu>ndH upon tho following axioms;" (i) ''AnnM>iiro of any iiiiiiiImt is als(» u ino.isiin' of any mM////f that nuiiibur." (2) "A inc.tHure of oiioh of two nn nl' ih is tjso a moisiiro of thoir .sum or di/rnnce." \N ith tho miiiiW 'is 'jr. I ami .'ll'J piov Ihcso axions to 1)0 true. i\. Tho H. 0. F. of two numbors is 74, and thoir L. C. li. is 15,540 ; ono of the innnbirs is ir)54 ; tiiid tho other. 7. The H. 0. F. of two uuinbois is 240, ami thuir L. 0. M. is 2880. Find tho nmnbors. H. Find tho L. (J. M. of jJ, § »"it^l ilny ""^^ divido it by the hist fraction. 0. Fiu.l the 11. C. F. and L. 0. M of (8}? ^ Hi;) and (IJ x I] X 2i X :{,!). 10. (a) Find tho II. (!. F. and L. (.'. ISl. of ( | of " ■- .,\ x g) ami (i X i <»f M "J" ^)- (''.' "*^^^' "f'^ " '"^ f'l'*J "• ^'^ '*• cniitaiiifd in each / 11. Fin.l tho L. C. M. of AiMVJ, 7175, 7770, U'.'OIi, and 01)70. ' 21 .1^ 12. Find the L. 0. M. and II. ('. F. of ji of 5, 9, and 1} ftMiTII C'I,AJI'<. 37 |M Pin«l thrt Kr*»rtfrt>if »»mimI)»t wliu'h will ilivils of Milts nrv \y<>rt\x lA Nhoo|>, in «lnMip worth 2 i»XOt», 7 >'"!<•) «)f MXttii wnifli 'JoH Imv^s, IH |»o.{H vvxifit II t'tiis l>i'uii ; how imuiy hiiNlioU c»f cutH lnu^r hi* ^ivni for l.'l Imiim of hrun / 2. 8im|)h"fy: | [ : ' I Ij .)f :\'j}. 'I. A fruitor hnyH iipph's ;it 2 for 3 ooiitH, Aiint.s. How iii.iiiy niti hn Mull Hull for #1, un uiiuiil iiumliur of I'ueli, ill ordur iiuithrr to ^niii nor I<>ho1 4. A hoy •••in iif« i 10 (MHily.MtickK at a confiu-tioijor'K oaoh 8 iiii-lii'N loi)^, for 'JO (jt'iitH ; or liu fun t lu'tttsr iiivitnt i (/») If, on II iicitiiin occii.sioii, ho j^.uKud 10 conta hy tlio lu'ttor invostiiuMit, how iimiiy stifkn , 8 .ind 15 cents a lb. will bo ro(piirod to form u niixturo o* l.S bainls of '270 lbs. oacih, woi-th 10 cts. ;i ll>.< '.>. How much pt)r cent, will a grocer s^uin who sells a mixture of If) lbs, tea at 55 cmts a lb., lbs. of which cost <»0 cents a lb., and tho balanco 40 cents a lb. ? 10. Find the co.st of p.iintiui; a hall-way, OO foot lonj^, JO feet wide, and 12 fitet hi;^h, at 51 cents per sf(. yard, allowing for two doors, each foot by 3 foot, and oiih wimlow 10 fout by 4 foeb. 11. The cost, gain, and sollin'4 price of an article, together amount to )?5t) ; and the gain, at which it was sold, is 40 per cent. ; find tho cost price. i n 38 ■XERCISES IN AUITriMKTia ■A 12. A man sows 10 lbs. tnillct, sood on every 212 sq. yards of Ills moiiiul. Find tho cost of set ding 20acro8wilh millet seed nt 81.80 H hiishol. 13. (fi) TTow n^.'vny hush(>ls .sludled orn are tlioro in a bin 8 feet sijiiuro a(, tho l>?isc, and 10 f(M't high 'i (1)) Divide the L.C.M. of r)-25, 25 aii.l 10-d by th.'ir II.U.F (r) Tf boarders (in a certain h()anliiii!,-ho\iso) consipno ^ of a bariolof flour per wei^k, and the liost, at the end of 8 .' 'cks, admits 3 ni;w boarders, what will be tln". amount of the flour bill at i lie end of a period of 13 weeks, tlour being worth $4.41 per barrel ? Exercise XXXII. 1. A stationer bought 138 reams of paper at .1?2 a roam, of which he kept 18 ream.s for his own use. At what price per quire must he Sell th') remainder that he may have his own for nothing? 2. Soap is bought and made up into uniform cakes, the selling r-Tce p"r cako being the same as the busing ]»rice per 4 ozs. What n ' at be the weight of each cake so as to insure a gain of 6| por ueut.? 3. Divide $199.36 between AandB in the ratio of '2 : '34. 4. A grocer buys somo tea at Osh. a lb. and so.uti at 4sh. a lb. In what pro])orti(ui must he mix them, so that, by selling the mix- ture at 5sh, 3d. a lb., he may gain at the rate of 20 per cent. ? 5. If §of a mine be worth $198,000, find the value of 8'3 of the mine. 6. How many square foot are there in the surface of a cube, one of whose edges measures 8ft. , 4 inches ? 7. A sold a house for a certain sum, losing thereby 8,^ per cent. ; B sold it to lor 8240, gaining O^y per cent. What did the house cost A 1 8. A farmer weighed 5 loads of hay on tho market and received a ticket, niaiked 10950 lbs. Tf his wagons weighed 1250 lbs each, and he got .^18 a ton for his liay, how much of his hay ntoney would ho have loft, after buying 661bs. of sugar at lllbs. for a dollar, 5Clbs. 2| ozs. tou at 52^ cents a lb., and 80 yards of cotton at 12^ cents a yard 1 3. A can do a piece of work in 16 days, B can do | of it in 9 days, and C can do ;^ of it in Ij days. Ifow long will it take C, alone, to finish the work after A and B have worked together at; it for 3^ days 1 FOUKTH CLASS. 39 10. A man paid $20100 for a farm at $24 an acre. What will it cost to piiL u foiicu aii'imd it, at 80 cents a rod, and two cross ftiioi'S, niiu lcnL;tli\vi.so and tlie dther <;rossinj^ it at right-angles, <,'ivrn that it is 200 rods wide and thu cross fences cost 65 cents a rod less than the outside fence? 11. A tradesman earns 40^ cents an hour. IIow many £, Sterlinj^, does he earn in a month, at this rate, workini? 8 hours a day/ (a month = 4 weeks). 12. A salt merchant sells 500 bhls. salt at $1.40 a barrel, on a com- mission of If per cent. How much does he remit? 13. (a) Find the average cost jiricv' of HO lbs tea at 60 cents a lb., 40 lbs. at 50 cents a lb., and ^0 lbs. at blV. cents a lb. (b) Find tlie L.C.M. of 2^, Sj and 11| ; how often does it contain all these numbers] Exercise XXXIII. 1. A can do a pieco of work in 4 days, B in 9 days, and C in 10 days. If §8.30 is paid for the work, how much of this does each one receive ? 2. A drover marketed ^ of his herd at M. at $80 a head, ^ of the remainder at N. at $100 a head, and the remainder at R. at $90 a head. If he had markotiMl twice as many at N. and half as many at M., he would have gained $800. How many cattle did he market at R. ? 3. A and B have each a flock of sheep. A lost J of his flock \v;tvth $5 each, and B soUl ■^^^ of his flock valued at the same rate as A valued liis, one man losing what the other man realized. If A liad sold his slieej) instead of losing them, they would both have realized, for tlie sheep sold, $300 cash. Find the value of both flocks at this rate. 4. Bought a quarter-section of land in Manitoba; but land having risen, I sold ^ of my land f<»r what the whole of it cost me. What per cent, did land rise in value ? „_5. Simplify f of i^ + i-Hf of lJ + |of fKAxf. 6. A farmer laid out $2940 in purchasing an equal number of sheep, hogs and cows. Each sheep cost $8, each hog | as much as a sheep, and eacli cow as much as 2 sheep and 2 hogs together. Find the number bought altogether. 7. Along a certain street, one mile long, there is a house every 40 yards, and a tree every 16 yards. How many houses will have a tree in front? I; M'i ;■! Hi J !!i:!i! :il 'i! 40 RXERCISKS IN ARITHMKI'lO. 8. The product of two numbers is 5103, and thoir G.C.M. is 9. Find tlieir L.C.M. 9. Divide 493 into two parts such that } of the greater is equal to ^ of the less. 10. A grocer tsuld two kinds of tea, the deurer kind at 90 cents a lb. and the chi'uptir kind at 50 cents a lb. lie received $204 for 280 lbs., sdld. How many lbs. of each kind did he sell? 11. A man and a boy, working together, earn as much in 21 days as the boy alone can earn in ()9 days. If the mans daily wages jiiu $1.60, what are the boy "a daily wages ? 12. Seven-eighths of the selling price of certain goods is ten per cent, less than the goods cost. Find the gain per cent, at which the goods are sold. 13. (ft) A man wishing to sell his farm asked 141^ per cent, more than it cost hiui, but finally sold it for 6^ per cent, less than his asking price, gaining thL'i'ol)y 11'500. How much did the farm cost? What was his asking price, and for wJiat did ho sell it ? (h) Bought 5000 lbs. of coal in Scrantoii at J^O a ^^ung " ton, and sold it in Wood- stock, Ont., at 86 cents a cwt. per " short " ton. What did I gain ? Exercise XXXIV. 1. A can do a work in 12 dayH, B in 15 days, and C in 20 days, working alone. If A and C work together at it for 7 days, what should be paid B, who finishes it, given that A, B and C can earn $6 a day when working together ? 2. A man borrowed $560 at the Ontario Bank on February 1st, 1888, at 8 per cent, per annum. He paid back, at a certain'date, $695.84. Find the date on which he returned the money, allowing 305 days to a year. 3. A fifty-gallon cask is | full of wine, which is 83i^ per cent, pure. Twenty per cent, of the contents is then withdrawn, and the cask is filled with water. What percentage of the contents is pure wine now 1 4. A has 11 times ai^d B 13 times as much money as C, and 25 per cent, of the ditference between A's money and B's money is $4. How much money have they all ? 5. A hatter sold two hats, getting 20 per cent, less for the second than for the first. He lost 1 2^ per cent, on the first, but gained 40 per cent, on the second, which made his total gain, on both hats, 30 cents. Find the cost price of each hat. FOURTH CLAaS. 41 6 Wliafc is tho fUfforenco in cost, at 50 cents a square yard, of l-iviiig a .S(|iiari' |)l<)t, of L^rniiiul ."»."> yanU to a .si5 yards in diaiiietei' ? 7. A and 15 sold potatoes, oaeh niakitii; the same rati' y)(3r C(^nt. profit. A'.s cost 40 cents a l)iisli(d and Ik; sold at 45 cents. IJ's cost 24 cunts a l)uslicl, and a nujrchant hDiii^ht 54 dollars' wortli of j»otatoes from him. How many biisiiels did iie ^et for tliat money { 8. The interest is ^ of tlie principal, and half the ditl'orence between the interest and tho principal is $.'100. If the timt; is H years, 3 months, what is the rate per cent. ? 9. If coifee is mixed with 40 per C3nt. of its own weight of cocoa, and 10 percent, of its weii;ht of chicory, wliat percent, of the whole mixture is the coffee ? 10. What is the value, at $70 an acre, of a semi-circular tract of land whose radius is JOO rods? 11. Simplify: (u) m + 4h)-^-p, oi .'Prr-l + l^ i%^^ ot ^ I ('>) 3H4Ki'V of t^iV-i + l-i'^x fir of 1^ 12. A boy's ai^e now is one-third of his fatlier's a'jje, but six years ago he was one-ninth of his father's present age. How old is the boy? 13. (a) A stick, placed vertically down in water, a])pears, owing to refraction, only | of its real length ; find the de|)th of a T)ond in which a stick, placed vertically down, appears to be 14 fe I long, and which exactly measures its depth, (b) A man being asked how old he was, answered : " Tf I were as old again as I am, and half as old again, and 9 years older, I would then be 99 years old." Hcjw old was he ? Exercise XXXV. 1. Paid 1235.20 for the use of $840 at 8 per cent. For what length of time did I use it ? 2. If, to 6 cwt., 72 lbs. of sugar, 448 ounces of sand be added, what percentage of the w) le mixture is sand ? 3. A man speculates with i of his income, gives away y^ of the remainder in charity, and banks the remaining $1200, after spend- ing $150 for clothes. Find the amount of his income. 4. If 28 barrels of sugar and 420 boxes of cheese fill a car, and 16 barrels of sugar and 32 boxes of cheese fill I of a car, how many barrels of sugar and boxes of cheese can I ship in two such cars, filling a car with eacli ? 1:'! 11 -' • i 1 49 BXKRCISFS IN ARITHMETIC. 5. The sum of tlireo numlicrs is 200 ; and eight times the firat, twice thu HoconJ, and once the third are all equ:il. Find the nuniber.s. 6. A rectangiiljir court coTitaiiiiiig 2 acros 13 closidy paved with flng-Htnnoa, inches in tliickntss. How in.uiy cords of stone are thero in tlio pavement ? 7. Multiply 47 acres, 134 sq. rods, 13 sq. yds., 2 sq. ft., by 108, using the factors 9 and 1 2. 8. A man, owning ^ of a section of land in Shoal Lake District, sold I or his share at $15 an acre. How much did he realize on his sale ? 9. What is 95 times $ 3 4-f ■4+^ 10. A pile of SO-inch wood is 80 ft. long, 20 ft. wide, and 14 ft. high. What is it worth at $1.80 a cord ? (Sidf nicasurennnt.) 11. The sum of two numbers is 7fij, and their difference is 46, The larger ninnber is how many times the .smaller ? 12. By selling a mixture of 300 lbs. of black and green tea at 42 cen':a a lb., a merchant lost 142- per cent, of the cost price of the mixture. If the black tea cost 55 cents a lb. and the green tea 40 cents a lb., in what ratio were they mixed ? 13. (a) Find a fourth propoirional in the ratio as 7! 147! '.10; (6) Bought G.'O bags of flour at 81-50 a b;\g ; kept out 40 b.^gs for my own use, and sold J of the remainder at ,$1.25 a bag. For l»ow much, per bag, must I sell the rest in order to gain $120 on the whole lot ? Exercise XXXVI. 1. Find the amount of $450 lent out for 7 years at 5 per cent. 2. A man put $1(500 into a grocery business, and at the end of 5 years witlulrew $2000. What rate per cent, did he realize on his investment ? 3. In what time will $800 amount to $1600 at 8 per cent. ? 4. A person can buy a farm for $20000 payable in 4 years with Interest at 5 per cent., or he can buy it for $10000 cash. Which is the better bargain for the buyer provided he can get money at 4 per cent. ? POUKTII CLASd. 43 6. A mixture of brandy ami wutor is as 4: 1. How much of the niixtun' must ho drawn dll" and wafor [ml in its place that the mix- ture may contain hiandy and water as 3: 2 i (I. A feed nier(!'iant ' ii()|is a mixture of 20 hiishels of pease at 70 cents, .'»2 hiislicls of oats at .''5 ci-nts, and 8 Imshels of barley at GO cents a bushel ; tin; mixture increases, in tim ciio[)j.ing, 15 per cent., and he then sells it, by measuro, at 50 c^nts a bushel. What does he gain 'i 7. One-fifth of the time a man works afc a jol) ho gets 82.75 a day, ^ of the tinu; iirlj,25 a day, and for the remaining threo days, which the job lasts, he gets •'?4 a day. What does he receive for the job i 8. If a skein of linon nuvkes 16 knots of 110 threads each, and each thread is 2 foot 9 inches long, how many miles and yards of thread will 13 lb.s. of linen make, given tiiat a slu-in weighs 14 grains ? 9. I[ow many tons of bran at $16 a ton should I receive for 4500 ivut of lumber at $18 a thousand feet, G480 Ihs. of wheat at $1.05 a busliel, 1720 lbs. hay at $15 a ton, and a pile of wood 100 feet long and 5 feet high at $2.50 a cord, the length of the wood being 22 inches ? 10. Divide 882 acres, 101 sq. rods, 19 sq. yds. , 4 sq. feet, 72 sq. inches l)y 03, using the factors 7 and 9. 11. If 10 turkeys and 4 ducks are worth $11.20, and 4 turk- 73 and 10 ducks ari worth $8.20, what is the value of 30 ducks ? 12. If a hiborer earns $1.50 a day when wheat is $1.10 a bushel, what should he receive when wheat is $1.10 a cental ? 13. If a train travel 203 miles in 6 hours, including on an average 2 minutes per hour for stoppages, how far will it travel in 9!) hours when 5 minutes per hour, on an average, are lost by delays ? B> Exercise XXXVII. 1. At what rate per cent., simple interest, will $1170 bear $31.20 interest in 8 montlis' time ? 2. A man exchanged 11 t!KTIO. 5. A cart, wlieel is 84 iiichoH iti dijiiiititcr ; liow oftoti will it ttiin In gojnjf J I iiiil(!,s ? 6. Tf fiO Iba. of cutnje, m\d for i?27, K'.iins 12.\ per cent, of t\w cost |»rio(!, find Mincttst prico prr ll». 7. If 15 men or 'M> wouumi c.ui r»;jip a ficM of whc.it in 'M) diiys, in liovv many dayhi conid (5 men and onu woman ntap ten .sncii liulds / 8. Sold ])arl<*y at 80 cents a bushel, p[ainiiiL^ 14^ per cent. Find the cost, at tliis rate, ui L'oOO l)\ishels of barley. )^f\ I 9. How many lbs. of tea at 4<'i, 50, 75 and 80 cents per 11). respectively, will make a mixture worLli (JO cents a U). ? 10. Sold a lot for $'.>., 0, Idsini? ^ of the proceeds. Find my ain per cent., had I sold the lot for $1500. 11. If 10^ lbs. of milk make a lb. of cheese, which sells at 12}, cents a lb., find the value of the cheese made from 5(iO tons of milk. 12. A salt merchant bouL>ht 5(5 tons of salt at !?8 a ton ; put it into barrels, at a cost of 15 cents a barrel, and then sold it all at Jii^l.oO a barrel ; find his gain. 13. (a) Find the cost of carpeting a room DO feet 10 inclics, by 24 feet 8 inches, with carpetinj,' 30 inches wide, at |1.H0 a yard, tin; carpet to run len^'th wise of the room and 4 inches to bo allowed, per strip, for waste. (6) An agent char Lfcd $15 for selling a sewing- machine worth $76 ; what per cent, on the cost prico did he collect 'i Exercise XXXVIII. 1. What principal will produce $370 interest in four years at 5 per cent.? 2. What will it cost to put a board fence, 5 boards high, round a lot 60 rods long by 220 yards wide, tlie luml)er used being inch boards, 10^ feet long and 1 ft. wide, worth $18 a thousand feet ; the posts 10^ feet apart, from centre to centre, and costing .$50 a tliousand ; and the cost of lal)or, in building the fence, 10 cents a rodf 3. A can do a piece of work in 10 days, B can do | of it in 9 days, and C can do ^ of it in Ij days. How long will it take C to finish the work, after A and B have worked together at it for half a day? pouuTH rr.Asfl. 40 Y \. If ii (luiii lost 6 iiiiniit(;s per hour in purfiiniiiiit; n joiinitiy of 154 inile.s in 4 hours, lu)\v nmny iMiiiutcs »in hour wouKl it lose when it |MrtnK^ ''y 2ft. 11 in wide, in covonul witli Canjuli.iti corit |»ioco8 nlucod in rows contimidiis to on«i anotlmr, ami nono toiichinj? nioro than four others. Il each rout pitce iwan irth in diaiimtor, fin«l tlio surface o* thn table that rouiainn unt'ovund by coins. 6. Sold /tj of my goods at a Iohh of 3.3\ \H)r cent. Hy what in- crease, ])t'r (.xdt., ujiist, I r.iist! thn H((lliii*j prico of the rtMnaindiir to gain 5 percent, on tho entire cost of my ^oods? ({. A spcoidator hom^Iit .'VJOO dollars' worth of land at $12.50 an aero. Ho Hold 200 acres of the land at 8'{ an acre, and 5tO acres at ^5.00 an a(;re. At what price per aero must ho sell the remaindi-r HO that his total receipts may be lijual to r)'2l<'»2r) times the cost of his land ? 7. Simplify: nVx[-! (4J 2^) x(7H2A)-(8i- 3J) + (2,V-V^) 8. Find the least number that may bo exactly divided by 9, 11, 51 and liCt. Find tho sum of the mivend qnolif.nts. 9. Had a certain sum of money ; spent \ of it, then ^ more than ^ of the remainder, and had still left $2 ; Hnd tho original sum. 10. An ocrof dealer buys ey^'S at 40 cents a score, aiid sella them at 30 cents a dozen. On a certain day, he received $21 for eggs ; how much of this was profit ? 11. A man lost \ of his money and 15 more, then ^j of the re- mainder all but ."^■5, and still had money enoui^h left to buy OOlbs. lO^uzs. of butter at 37 3t cents a lb. How much money had he at first? 12. A farmer bought 30 sheep at $8 a head due in six months. He sold ^ of them, immediately, for S12.S cash, and the rest at -^9 a head due in four months. What did lie gain, '(^ quoiicntsU 7'.>3. Find till) numl»i»r. 7 A c(!ttain kind of <,'raiu is $l.f ^ a cwt., or $.70 a bu»hel. flow m.iny ll).s. in a Imshcl of that grain? 8. Divide !?i.'H.80 anion;; A, B. C and D, ho that A's sliaro sliall bo 8^.70 more than IVs, ami (hut C'.'o'iuro shall bo !:rl0.40 lus.s than \'s and ll's toLjcthor, and tiiat D shall havo^o.OD loss than tho com- bined .shari's of A, ii and 0. 9. 'riio Slim of §12.50 i.s made u[) of fivo-centand ton-cent pieces, thore being JO more livo-eent than ton-cent pioi-cs. How many are there of each? 10. Find the cost of 208 100 shingles at ^4.80 a thousand. 11. Find tho cost of 1022 lbs. of oatmeal at fifty cents a stone. •G -24 12. What i.s 40 «( — -f — -I- '325 - '150 •25 -W ■? 13. (a) 1 buy an article for .1?280 a ton. At what price per lb. must 1 stll it in order to gain 14= iter cent. ? (h) Divide $1150 among A, B and C, so that A may receive /j of tho whole, and that B may receive } an much as C. Exercise XLI. 1. A man after selling •:375 of his farm, had still loft '8 of the remainder, having lo.st, in sjiuculation, 12^ acres worth $70 an acre. How much was his farm w(jrth ? 2, Simplify : (a) H^of ^xg. (b) IxKi^crof 'i- (c)lof fxfjj-i-it. ^Bfi I ii.- 48 BZRKCIHKH IN AKITMMKTia .'{. Find tho amount of 9810 for 8 yonrn at 3^ per cent, interont, |)oi' Hiiniuiu 4. A bicyrlisfc rode from Uo^inM to ('arron, a disfanno «>f 54 n\\\m, at t)iu ralo of H iniluH an hour, il.ilf an hour aft or a lOW-hoy lut'r, lU'^ina on lioischack and ruachud Cair<>n 15 niinutuN bufuru tho ItioyoliHt. t'intij,', *J1 fi'ot ni'lo, tho load lusin^ ,'(, of jiu inch thi<;k, wuighing 702 ll)H. to (ho cubic foot uiid costing 5 uontH a lb. / 0. Tho (listunco botwoon I \\ lowns Ih 14 niiloH, and <»n a crrtain map tm ir pjaucs aro marked o^ uiohoH apart. On vvhat scalo in tho map drawn t I 7. Ilou^ht 8 do/(jii bundlort of gloves of a ' and ten windows each i' x 3' ? 11. A ton of bricks measures 20.83 cubic foot, and a brick is 8 inches long, 4^ inches wide, and 2^ inches thick. How many bricks weigh 13 t< ins ? 12. In .i ccmxposition of puio air, oxygen is to nitrogen as 1 ; 4. How muci' por cent, of pure air is tho nitrogen it contains ? 13. A .sets out on foot at 4 miles an lioiir, at 7 a.m. ; B sets out '2b per cunt, faster, i)er hour, than A at 10 a.m. ; and C, on hor.suback, at 12^ miles per hour at 2 p.m. At what o'clock will C be midway between A and B i Exercise XLII. 1. Two bicyclists, A and B, going 18 and 12 miles an hour, resijoctively, start together from the same point at the same time to go in the same direction roinid a circular course 101 rods, 13i feet in diameter, (a) In what time will A overtake B ? (6) How far wilJ A have riddea ? t P:/ fOtfKTn CLA«»i. 4t 'J. If 12 in.n i\n "* of !i pior^ of work in 20 dnvHof 8 hmirn oiich. Ill wlidf titnn woald 20 iiujii do 2r» Liiue« na inuoh work, working 10 luillfH ft n(ir for townshi|. rates, Jl rouiity rftti"«, ^* \viit<'r riitiis, 'J'l rti!ho.(l riti'M, i\ y.iH r;itt'H, iin-l li railw.iy niton. \Vh;it (loc'H hu pay on hi.s ])rup> riy, tiiu real valuu of which iii I. A ran mow O.v- r(»s in 12 days, B ran mow lo iicros in 21 dayn. fn iiow many days ooiihl thi^y both, worUini» to;^ether, mow 10 acroH, SO rods i 5. If ir» OZ.H. of whoaf HOW 1 Sfj. rod of lund, wliat, will it cost u^ Manitol»;i firmer to 8ow a Hertitm of land whw many fons, Ihs. and w/.^. of ion are thc.rci on a cinMdar poiid, fro/-<'ii 7 iiuh<'-t thi'-k, it the (li.im''lor of the puml bo 84 rods*, ind the ice wci-^di j",t as much as wator? ( tt = 3}). 7. A can win fi"m li 10 ujamos of marbhis in 30 games played, and B can win fi'om C 5 i^mukss in 10 played. How many games could .'\ win fron: in .'JO liames played? 8. Hou'^ht .'IcUJO llts. of apples ('uiidried) nt 20 cenhs h biishol^and sold them at iivo-nir.tliH of a cent a, lb. What per cent, did I gain? 9. Sold a house for S'J 100, u;nniii',' 12j jut eeiit. of tin- proceeds. Mow mneh would 1 have received [>[nmo., Init tiiu (.'t'ocui hud UR*'il A \vri) What pur (.•••nt. did thu cuMtoiih>r loNo ? 2. Ifuw iMiiiiy ^ullonit will a tniik, 8 fo<>t Hciimro nt tho hiiHO nnd fuut duop, liuld '/ M. flow iiiHiiy Umn of ('".il, ftt f5 n, ton, must I mix with 1*2 tonii ^ at $8 u toll, HO that, by Mt-ilinu thu mixturu at ^7 a ton, 1 mny givin 25 pur cent. ? 4 A farmtn* has n hiii, ol font loni^ 4 fout hi;jfi», mid M f mako a mixtuio wortli oO cunts a lb. 1 9. A whol(ysalo and \\t.u\ merchant deducts 20 por oont. from his rt't-ail price in sclliiiv, a rotuilur an iiivoico t)f gooda. If tho retailer gain 40 pur cunt, in retailing hia goods, what por cent, advanco on thu whulosalo niurclw.nt'H retail price doos he sell his goods i 10. A reduction of 20}^ on tho cost price of epofs onalilos a buyer to pui'cliasu IM) do/, more cgg.s for S18 than ho could, before the vediutioii. Find tiio price of eggs per doz., both before and after the reduction. 11. A Kauri-pino tree yields 0520 feet of hnubor and 200 lbs. of Kauri-gum. it' liimbor i.s wortli %?24 a thousand, and gum 5 cents an oz., lind tho total value of the tree. '2iV 1 rj 35 12. Simplify: ■{ — of | of 240V^-^— + ■I ]■ fOITRTn n.AM. •1 l.M I Hnrtif \ of my iiionoy aikI tl»r«« floMnr* tnor«», wht«n I hml ■till lut't (j of my iiionny ult but » ilollitr. How mu(!li moiioy hud I at tirnt ? ExeroiMo XLIV. 1. A mnp oorrM'fl f.'l Sl< rliiiij in 5 ili\> of tfii Iionrn rnoli. At thin rutu, wiiiit vvoiiM lialt u 5l.r»() tlwit A Ims, U uul C togctlior liuvn iBlll. iluvv niui'li uuMuy li.is each ( 5. IIow ui.iny boys, i-ach dninj; ^ of a nmn'n wnilv, niust be ompioyid with '.>',) u.> n lo do in J 'J dav < whatilli luun could do in 20 dttya ? 0. To ft certain nuinlxr 5 is addtMJ, nnd SO por cont. of tho result is tlii'Ti sulitr.K-tcd ; to the r('ni;iiii is added and 5 pur cont. of tho ro-.ult is sulttracted, leavinj^ '.♦.>. What is tho number? 7. Eij,diteou ehi'piers a^Tee to have a contract of wood cut in 40 dass. Wilt II ,' ot till- contract is lini 1; d, <> of tlio men lo.ivo ; how Miucli moro than an avor.i^'o day's work will bo ru(piired, on the part of oach of tho rouiainin;,' niou, to finish tlio contract on timo 7 8. Tf ft liariol of whito-fisli costs 810, ho^v iiiiieh will 3 do/.t.n of tho ii.sh, oach weigliin<{ 2 lbs., 2 o^s., cost y 9. What sum will amount to 82250 in 4 years at 5 per cont ? 10. What will it cost, at l'^ cents a h(\. .yard, to |>aiiit Iho walls, ceiling and lloor of a rin»m 42 feet, (J in. ion^, .*>(> fcit, M in. wide, and 15 feet high, an alhjwanco of 1075 sq. feot, UO sq. iiichos, being made for doors, w indowj and baseboards ? 11. A man borrer cent, more wages than B. What sum would all thrcjo, together, earn in \'A weeks, working 9 hours a day ? 2. The Savings' Bank pays 4 per cent, per annum, and U de- posits $32 at the beginning of the yo.U' ; .SiS umre at the end of three months ; $25 more at tlie end of six nionilis ; and i^oO at the end of 9 months. At tlio end of tlie year lie witlidraws it all and invests the money in an enterj)rise. ])ayiiig 35 per eent. yearly. Row much will he have at the end of (> years from the time when he put the first money in the Savings' Baidc 'i 3. A man bought 80 sacks of bran of 80 lbs. each at $10 a ton, and paid for it with apples at $1.60 a barrel. How many barrels did it take ? 4. If 13 geese or 7 turkeys cost $9.10, what will be the value of 42 geese and 13 turkeys ? 5. A man walks 860 yards in 8 minutes, in Qfoing 180(5 miles ? How long will he be 6. A fisherman buys codfish at 8 cents a lb. and sells it out at $12 a cwt. ; find his gain per cent, 7. A breAver has a vat 30 ft., 9 in. long, 16 ft., 8 in. wide, and 6 ft., 4 in. deep, filh^d with beer, which ho wishes to put into quarter- barrel casks. How many casks does he require, given that a cubic foot contains 25 quarts ? 8. The circumference of I lu; hind and fore wheels of a carriage are, respectively, 16^ and lo| ft. How far has tlie carria^e gone when the hind wheel has made 1536 revolutions lean than the fore wheel ? FOURTH CLASS. A8 9. A person travelled 1440 miles by water, rail and stafje. The distill K^e by statue was ^ that by rail, and the distance by rail was 1^ that by water. The cost of travelling l)y water, rail and stage was as 2 : .S : 5. Find the cost of the journtjy, given that an equal iiinnl)er of miles, by (-ach mode of travelling, averaged 3^ cents a mile. 10. A rectangular court is 240 ft. long b}' 45 ft. wide (outside measurement) and a })ath of the uniform width of 3 yds. runs round it on the inside. Find tlie cost "f paving the patli witli Hag-stones at 80 cents a stj. yard, and the remainder of the court with turf at §1 50 a hundred sq. feet. 11. If four men can do as much in a day as 7 women, and 2 Women as much as four boys, and 7 boys working together for 8 days earn 5544, wliat will be the earnings of 8 men and 6 women working togetlier for 70 days ? 12. A freight train is U) miles ahead of an express which travels at the uniform rate of a mile in 1 min. and 15 seconds. It is run into in 40 min. How many miles an hour was the freight running? 13. What is tlie value, at 81.60 a cord, of all the 18-inch wood that can be closely piled 6ft. high on J of an acre of ground 1 Exercise XLVI. 1. If 20 of A count for 12 of B, and 45 of B count for 29 of 0, and 20 of C for 9 of D, and 6 of D for 100 of E, how many of E count for 150 of A ? 2. If 40 apples = 2 dozen oranges, and half a dozen oranges = 9 pears, and 28 pears = 2 lbs. coti'oe, how m;iny apples are 72 lbs. of coffee worth 'I 3. If 50 lbs. of dates are worth 80 lbs. candy, and 6 lbs. candy are worth 5 lbs. figs, what is the value of a lb. of dates when figs are 30 cents a lb. i 4. If £6 = 40 thalors, and 25 thalers = 93 francs, and 27 francs = 5 scudi, and 31 scudi — 67-i gulden, how many gulden ■= £210 lOsli. ? " • , 5. If 4 horses cost as much as 6 cows, and 9 cows cost as much as 30 sheep, and 45 sheep cost §810, find the value of a car-load of 17 horses. 6. If 4 lbs. of tea be worth 40 lbs. suyar, and 16 lbs. sugar be worth 3 lbs. coffee, and GO lbs. of colTee be worth 240 lbs. biscuit, how many lbs. of biscuit would 20 lbs. tea buy ? i 54 KXER0ISE8 IN ARITHMETIC. 7. If 10 horses cm move as much an 6 mules, and 4 mules as much !\H 1 ol>'i)h;int, and 4 t'lcpliants as niiiuh as 130 men, how many horses Wf)uM move as much as 15(5 uion ? 8. If '>0 bushels oats = 15 bushels wheat--, and 5 biishels wheat = 9 buslii-ls pisasc, and I'J bushels poa^o =^ HO bushels rye, how many Ijushels of oats should bo <'xoliani,'oil for 2J0 bushels rye? 9. Fire per cent, of a certain sinii and Uiree per cent, of another sum amount to s"14.()5 ; but when the pvr cents, are interchanged the amount is $17.75. Find the .sums. 10. The m.ip of a ciirtain country is dr.iwn on a scale of | of an inch to the mile. What area on ihe map will represent a lake whose area is IGOOO acies ? 11. Find the total cost of 17 tons of o.its at 50 cents a bushel ; 800 cwt. of wheal at .^1.11 a bu.^hel ; 40 cliains, 3 rods of ditching at ^2.40 a chain ; and (55 tons of Won at 5 cents a lb. 12. A vintiier mixed two kinds of wiii'>, wortli resi)ectively *3.H0 and S4.20a gallon, in such pro])ortioii that by selling the mixture at $b.i)0 a gallon he niade a profit of 421.- per cent. Find the pro- portion in which the wines were mixed. 13. (a) A man sold 13 fowls for .*!10. 10. There were as many geese as cliickens, and twice as many turkeys as ducks. Find the number of each sold, given lliat a turkey sold for 81.10, a goose for 80 cents, a duck for 50 cents, and a chiel.i ii for .'Jo cents. (6) From £10 lOsh. 8d., take -{ (^ of i of j''o)-T-/,r \- of $&2.bi)ij. Exercise XLVII. 1. What is the G.C.M. of f, ?, |^, and ^1 2. Is a fraction a number, and why ? 3. When must the following note be paid at the Bank of Mont- real, and how much ready cash will redi em it ? S^GOOOO. MoNTiiJiAL, Que., Juno 13tli, 1889. Fiightcen months after date, I promise to pay Samuel Collins or order, at the Bank of Montreal in Winnipeg, the sum of six hun- dred dollars, with interest at the rate of six per cent, per annum, for value received. Thoimas W. Tame. 4. An inn-keoper buys 10 gallons of spirits at 82.40 a gallon, 15 gallons at 90 cents a gallon and 18 gallons at $1.15 a gallon. At what price per galhm must he sell the mixture to gain $8.45 on his outkiy ? 5. Simplify : l\ of 6^ + . lA i of ^ FOURTH CLASS. 65 6. Divide 82464 among A, B and 0, so that A's money put out for a year at 7 per cont., B's at 5 ptT cont., anil C's at 3^ per cout., will each accuniuliito tiie same yourly interest. 7. Make out the following l)ill : 2 barrels of fish, ('»() doz. each, at $1 a dozen. 14 lbs. raisins at 13 cents a lb. 10 lbs. bacon at J8 cents a lb. 3 cheeses, 70 lbs. each, at 12 cents a lb. 180 CLfgs at 13 cents a dozen. 600 lbs. sugar at 20 lbs. for $1. 20 lbs. 4 ozs. butter at 20 cents a lb. 5J ozs. ginger at 54 cents a lb. 8. Thirty-iive women can do as much work as 20 boys, and 16 boys as much as 7 men ; how many women can do the work of 33 men ? 9. Bought cherries at eight cents a quart and sold them at $3.37^. cents a bushel, by which 1 gained $34.23 ; find the number of bushels bought i 10. Find the cost of 85 tons, 1060 lbs., of pease at 45 cents a bushel. 11. What will it cost to fence a lot 60 ft. front and 60 yds. depth at $.87^ a foot? 12. Bought barley at 60 cents a bushel, and sold it at $1*5625 a cental ; what was my gain per cent.? 13. (a) Fifty per cent, added to a number, and 40 per cent, of the result added to that, gives the number 1764. What was the original number ? (b) What must be the width of a box 4 ft. long by 3 ft. deep in order to hold ^ of a cord of cordwood ? Ill Exercise XLVIII. 1. An estate is divided among A, B and C, so that A has ^q of the whole estate, and has 4-i times as much as C, who has 17800 acres less than B. What is C's share worth in dollars at £15 Sterling an acre ? 2. A, B and C agreed to dig a well 80 feet deep for $112. At the depth of 30 feet A left, and at the depth of 50 feet C left, and B finished the digging alone. How should the money be divided among them ? 3. The map of a county is drawn on a scale of 6 inches to a mile. What area on it will represent a township of 36000 acres ? :; 56 EZKKCISIS IN AUirUMKTiO. i. One vessel, A, contains 30 gallcMis of wine ; another vessel, B, contains 20 irallons of w.itor. Five gallons are taken from each and poiireil into the other Thia is repeated tlu-ee times, llow much wine and how much water will the vessels then rtsijectively contain 'f 5. By selling |j| of my shoep for ^2(iOO, I gain 25 cents a head more than by selling them for $2437.50. How many shoep have M 6. A had $10 less than B, and B had $4 less than C. A gave i*>() to B and $8 to C. How many dollars had C more than A then '. 7. A sum of monty was divided among A, B and C, so that A received f of the sum ; B $10 more tlian \ of what was then left, and the remainder, which was 4 times B's share, was given to 0. Find the sum and the share of each. 8. Reduce to its simplest form : 2 2 ( 2-1 2 + lJ n f 9. A bin is 40 feet long, 10 feet wide, and 4 feet high. How much more or less will it cost to fill it with oats at 40 cents a bushel than to till it with potatoes at 50 cents a bushel 'i 10. A dealer buys pork at $4.20 a cwt. ; at what price per stone must he sell it to gain 25 per cent. ? 11. A lump of lead is b inches long, 4 in^-hes wide, and 3 inches tliick ; what does it weigh assuming it to be 8 "64 times as heavy as water ? 12. If 4 men and 5 boys earn $54.50 in 5 days, and 6 men and 7 boys earn $47.70 in 3 days, how much will 6 men and 6 boys earn in 6 days ? 13. (a) Find the number of steel rails, each 22 feet long and woigliing 20 lbs, 4 ozs. per foot, that can be made out of 112 tons, 5;i2 lbs. of steel. (6) Fvora £(| of | of 21f) Sterling take $62.40, and invest the balance in cotton at 4 cents a yd. Exercise XLIX. 1. k bin 8 feet long, 4 feet wide, and 4 feet high, is filled with wheat. Find the value of it it at $1.20 a bushel. 2. A gives B 6 yards the start in a race of 206 yards. B gives C 20 yards the start in a race of 100 yards. How many yards could A give in a race of 515 yards t FOURTH CLASS. «7 3. A Bpeculator boucrht a numher of horses at SfiO a head, and '.> times as many sluje)) at ^~) a head. |)ayin'_' fiT the lot .SIHOO. Had hi! hoiiLfht the whole nuitihcr at^l'J a lu;ad all round, lie would have paid $*iO K ,s.s than li' diu the wholo lot $1!)U0. For how much did hu sull tlio land t 2. Simplify :\ ^ x 41^ U -^ x 202»o \. ( 3iJ 8} J l(;;iof8-|-4Hof5 + 5^.of4 J 3. The quotient of two numbers i.s H7'.), and 6 timoH tho smaller number is 40476 ; find tho greater number. 4. Find the cost of 3G60 lbs. cranberries at $2 a bushel. 5. Find tho cost of 30 bushels dried apploa at 16 cents a lb., and 5628 ll)s. of dried peaches at ^8 a bushel, 6. Make out tho following bill : 13 dozen hinges, 4 lbs. each, at 8 cents a lb. 45 gals, seal oil at DO cents a gallon. 25 gals, coal oil at 11 cents a quart. 90 dozen lamp wicks at 2 cents each. 45 yards wire screening at 25 cents a yard. 20 scoro bolts at 30 cents a dozen. 7. If 20 per cent, be gained by selling a horse for $210, what per cent, would be lost by selling it for Ji;?! GO ? 8. A man sold 3(> bushels of flax-seed at 8 cents a lb. How many boxes of figs can he purchase, with tho money received, at $4.50 a doze 1 boxes? 9. A retiil tradesman professes to charge 20 jier cent, above the wholesale price;, but he has adulterated his goods with 25 per cent, of au inferior kind, costing (mly half as much. Wliat is his real rate per cent, of profit ? 10. Find all the prime factors of 0349, 4500 and 6400. 11. What is the sum of all the prime factors of 172800? 12. Two men start t<> go round a circular racecourse, 1197 rods in circumference, one at tlu rate of a}, and the other at the rate of 7 miles an hour. IIuw long .vill it take each one to make the circuit ? 13. Find the total cost of GOO lbs, rape seed at 55 cents a bushel ; 380 lbs. red-top grass-seed at $5 a bushel ; 1700 lbs. lime at $3 a barrel ; 960 lbs. millet at $4 a bushel. FOUKTII CLASS. Exercifle LI. 59 1. Thn't) p;ra/,iers, A, H Jind 0, hire a p;isturo for tlioir common us(! for vvliii;li tlioy pay >lL*t. A puts in !) lioi-sis for 4 montlis, B 12 colt.s foi" months, ;iu(l C >< htr.itjs for 5 iiitiiths. How much oi the rout shoiiM eacli pay, 2 horses Loiir^ < <[iial to 3 c.!>lts '< 2. What is tlio cost at 5 conts a s(piaru yard of |iainting the roof of 1. l)arii, each side of which is 00 feet long ami 24 feet wide from the eave to the riiij^e i ^■■j:;;;^ 3. Simplify •' of J -j- 9 of U x t ^ f of W- 4. A shaft, ".)() feci deep, is sunk through the olny, san(>, 120, 42 and 72 by the G. 0. M. of all the eucH numbers between 241 aiul 247. 8. If 2 men cut 10 cords of wood in 2 weeks, how long will it take 1 2 men to cut 40 cords ? 9. (ct) Name the two kinds of fractions, and stivte the diflerence between them: — (/>) Coui])are rhe dillcrt.'iice between the two kinds of fractions, with the diiieienco between the {Sim[)le and the C'om- p(mnd rules of Arithmetic ; (c) Simplify : — (i.) i + | ~ if + i^ff-H •2- -m of 3-27 •0043(i 1 .5; {d) (i.) Divide the diflerence ^"•^1-3+ 02 between twenty hundred hundred, and nine hundred and ninety- nine hundred and ninety-nine l)y eleven; (ii.) Multiply 20 ac, 85 rods, l9 yds., by 15, and divide the product by 5. 10. If % of a ship be worth \ of her cargo, and half the difference between them be Ji$ll500, find the value of the ship and her cargo. 11. It costs 838 "40 to carpet a room 24' x 16', with carpet of a certain quality. What will it cost to carpet a room feet longer and 4 feet wider with a carpet of the same width, 20 per cent, better in quality ? iM 1 1 t i i^ii J: 60 UXKKCmF^ IN AKlTilMKTIi;. 12. Divide 91640 betwoen A und B, ho tlmt A'a ttliure in to Its UH 3 : 5. 13. A qujinfity of cofToo lias chicory iiddnfl to it, so tlmt tlio cliicory is Jj of Mie wliolit iiiixtiim. It the mixture is \v(»rfh 'M cents u Ih., and thu c^hicury 8 cuuIh a lb., what is tho prioo pur lb. of the l»iiru CO fr(;o1 Exercise LII- 1. A mMi, having a farm, sold part, of it;. He then hou^'ht 7 times as much liuid a.s ho sold, whdu hn t'niiiid Im li;r<'^ 109 7i-(3Hil)-Ux^ 416 4. How many lbs. of tobaoco at (!0 cents a lb. must a, tobacc) Find the i J.M. of 20, 01, 180, 240, 95, 133, 380. 7. A and B build a wall in 45 days, and B does one-third of tho work that A docs ; how long will ii take each to build it? 8. Find the value of : 1596 x -472 -v- 2'7. 9. If 10 per cent, be lost on a horse sold for $90, what was the cost of the horse ? 10. How often does a hoop, 2 yards, 10 inches in circumference, turn in going 4 miles ? 11. A bookseller sells 7000 copies of a 1}ook at $2.14, and takes in exchange a note for one vear for the amount. What would he gain or lose by selling them instead for cash at. Ji; feot U\—l 8 ft. wide and 6 feet hi-h ; (0) 45 ft. long, 21 ft. wide and !> feec hiyh ; (iig, 12 ft. wide and 5 ft high. 4. Find the cost of a strip of carpeting 8 inilo!*, 40 rods long and 2 ft. G in. wide, at 04 cont.s for 10 .srth a lb.? 6. A tisliernian had 32 totis, U20 lbs. of trout to barrel. Re used 2^ Ib.s. of salt to each barrel of fish, wliich he sold at $6 a l)arrel, net. Find his gain, if tlie tish cost him 2 cents a lb. 7. Find the cost of 440 lbs. of charcoal at 15 cents a bushel, and 7210 lbs. of bituminous coal at 26 cents a bushel. 8. A man exchanges 7200 lbs. of potatoes, worth 45 cents a bushel, with another man for 9(50 lbs. of apples at 75 cents a bag, and the balance in money. How nmch money did the latter receive ? 9. What is the value of 3l'06 lbs. of orcliard grass seed at $2 a bushel, and 1428 Ih.s. of blue grass seed at 75 cents a peck? 10. A man bought Ui ton.s of lime at $7 a ton, and sold it again at 99 cents a Ijarrel ; tind his gain. 11. A corn-crib, ft. wide at the top and 5 ft. wide at the bot- tom, 24 ft. long, and ft. high, is filled with corn on the cob. How many bushels does the crib contain ? ,1. ■\ 6t rXFRnSKfl IN ARITII JETro. 12. A bin is 45 ft., .". inches lonj,', ft. wido un hiii. wlu-n \ hunt is 80 i-ontM. outM ^1 cunts (iiul I il.HtuoH ri'Ji'fiit.s H hiislirl, 3 iuciiott buiug ailowud oll'thu length of tlu) hin for tliu purtlHons. l.'i. A drover boiiii^ht un niiiil nii .ibti- of shcnp and h"{,f8 for $1482 ; hi) \fi\v ) $7 fur a 8h< cp and leSO fur a hog. ilow many of tiuch did Ito buy 1 Exorcise LIV. 1. A mui lost Oil p.ir c por *«'iit. per uiiniini. Jiy Ii<>w iniirh in liis inoonio Ijsh pur .'uniuni tiian it would li,iv;i lie ii, had ho put it ail out at interest bci'or j lie wont into Hi>eculation ? 2. I gained $705 in a wotk n the hiIo of gooda, marked por cent, above cost. Wiiat vaUio in goods '1 >l I Ht 11 tliil. week? 3. Sini^.lify : (a) ^ of § -4- 1? + i*(j x § - ^ ^ 1? of 3 ; (f>) } -r §of 1? + /oof §-^^l#-r3. 4. Ten Mien can do | of a ])ii3C0 of wok k in 2 days. Eij^lit of tho men woik .■•tit for 5 days, wln.n lhlv«Ml fur ;{74() ll).s. (tf o.itH (It ;i5 I'. riiH u liinlifl, .f-'lHJ ll.s. wln-.if iit 81. 1" u l>tis|ii>l, 5(0 11)8. cluvui'-Ni!c«i lit 3<( 00 u buhliul, niid 510 lbs. uf liout' ut iii$lU a cwi.? H X i + i -5- '4 ( ) 12. Simi.lify : - (,», - I) x /, of |>t H- g . 13 (a) NVli.it will it cn«t to t'-'ml 10 lioist » on oiitn for wiokM, ^ivin;,' tMoli Imrso •'{ pfiks il;ii!y. wlirri i cits mi) wmMIi .'17^. ii'iits ii hiislifW {!>) IJoiight, 10 jjjrtiMs ptiiiils ut .'{emits n «ln/.i'ii ; miM [ of tlitiin ut 4 fur 5 cunts, uiul tliu rust ut for lU contM ; linil my ^ lin. Exorcise LV. 1. A und n woro p:irti'<'rM in u l»ii.siiitss in which thoy i,'!iiiM«•'.'{. 15. A put, ill .>::^.su(M'.ir '.t months, ;mhI I'. <10 p.r cent-,. «.l' iho oniiru (.Mpit.il tor it months, llow should t!i(jL;:iin he t.iirly •lividr^U 2. Whiit multiph- of 150 lo inturist, will u sum hccoinu 4 tinu's it.sclf in 40 yi !irs 'I 4. llovv numy sohliors will consiitno 2tiO tons, 1000 Ihs. breud in 4 Weeks, giving; Cii(;h man 11 unncus of bruail ilady { 5. Sold 72«;0 Ihs. poaso mi 78 .'oiits u huslu-l, 2100 ll^s. npplos at 75 Cents a bushel, and h(iii;.;ht citttoit with the prtH-ceds hit, after losing 88 (tents. Find the number of yards bunyht, cotton being 12^ cents u yurd, G. If (54 livndia cost 8448, what will u flock of 4 score bo worth at the 8;imo rate '/ 7. Sold two houscj, ge':tin,r,' \:i '^^ much for tho second as for the first. On tho first I gained I.") per cent, and on the second 1 lost 20 i)er cent., hising on tho whole .^10. I'ind the cost of each house. 8. A box, 8 feet long, 7 foi't wide anil 5 feet hii^h, iis filled with shelled corn. How many bushehi does the box contain ? 0. A wagon-box, 14 feet long, 3 feet 2 innhes wide, and 11 inches deep, is lilled with dry saml ; what is the weight of the load in tons and lbs. ? 10. Find the L.C.M. of 8, CI. 128, 70, 4, 3, 18. G4 ; and the Il.C.F. of 4123, and 351386. 11. Find the cost of 6 bales of hay, 430 Iba. each, at i§12 a ton. ! y 04 ixriirrMKii m ARiTiiMKrir. 12. If j of nn (voro <>f lund will priKltiou 171 I'U^hoUof poUtovii, wh'it will 2 lu-vm prtitliicu 7 IM. (,i) If Ht of 0910 lU. of Imy, wliut ih Imy a toil ( (b) A boy inkim l.'(20 NtopM, unoli 2 fout incluM l>)ii){, iii ^oiiiK roiitxl a nrtaitgiilur tiuUl 00 ro(U loii^ ; how i.niiiy iioruM ilotH thu lluld ciiiituia i Exercise LVI. 1. How oftiMi it the L.O.M. of (} uf |^) and (} of ^) oouUiiiud ill X 9 / 2. A our forty fout long uiid nix fuot widu Ih loiulud to thu dfpth of four foot, Hix iiicht'N, with iiiiiiuriil uoul. How iiiiiny toim aru theru, HNMiiiiiiMg u cubic foot to cHituiii u bunhul of coal I 3. A cyliiidriciil tank, 8 fout in diuuiutur, is hilc) with plastering hair, to Hii> dupih of ncvou leut. If a cubic foot cmitainH 10 IbH. of hair, huw lumiy buHliulH of luiir arc tituru in thu tank / 4. Fill in tho followin;^ HtateiiKMit of Hovon wo«'ks' cuHh ruofipkH, and piovu ihc corructncsti of your work by adding horizontally and vurtiuully : Days op Wibk. WEEK. MON. TUK8. WKD. THUR. FRID. SAT. iHt. 2nd. 3rd. 4th. 5th. <)th. 7th. 805.01 54. 3<) 81 .27 r.1.77 81.29 29.04 40.01 888 04 71.29 29.82 80.41 44.82 03.84 28.42 «I41.82 30.42 26.71 2i.8(; 87. ".»1 27.<18 72.84 833.00 84.70 21.90 90.82 21.44 80.02 27.34 $«44.18 03.19 21M4 81.20 24.33 30.81 27.42 $29.41 80.24 24.71 30.82 20.07 %1.71 64. J3 TOTAL. . TOTAL. 5. If clieesu is 9,1 } per cent, of tho milk used in its m.anufacture, how many tons of ciioosi! will 42000 lbs. of milk [)roduce ? 6. Find tiio cost of sowing a field of 18 acres with wheat at 90 cents a bushel, if it requires jj of an oiuuie of wheat for every scjuare yard of land. 7. If 4i of (A - i A) =3^ (B + i B;, what is the ratio of A to B ? FOUKTII CLAM. «5 8. A mnn !>«<]iicf»fTn»d S'l'H'X) to liin fumily. H© iffivf* f<> hii Mifoj of his |ir )))s. wheat (it >-l.rj^ a buHliul, ami tho ruat in uaHh. How iiiu(!li cash di'l ho p'ly 7 13. Hoii'^ht thr*'() Ikixoh of Muap, cwh cotitalninpfan FtJ'^lish cwt. ; k«*; t it all Miniinici', diinni^ wliich tiiiiM it dri< d iiwuv j in utMj^dtt. 1 tin II sold it at 13 cuntii a lb. Find my gain, if thu Ht)a|> ooHt uio 23 cuntu for 3 iba. Exercise LVII. 1. A flock of Hljno[i, worth !?M a head and 8120 in nionoy, were takon in oxchanj,'"- tor 2 horses wortli .'^ILM) a head and 8 cows worth 25 pur cunt, as much pur head aa a horae. How many shoup wuru in thu tlo k ? 2. A person owned \ of J of a imirket-gardon, and hdM 50 per cent, of his ri^'ht for $;J5. What was tho vahuj nf tho garden at tiiis rate / 3. Tho proooeds of a debt of .St)8.50, given into tho hands of an attorney to coUect, auioiujted to i^lM.oO fur tho creditor. VVliat per cent, did tho attorney take for his services? 4. Wliat is the value of the hay in a mow, 70 feet long, 34 feet wide and 18 feet deep, at J? 10 a ton ? 5. A bin 20 feet loiifj by feet wide is fdled with potatoes to tho depth of 5 foot. What are they worth at 75 centa u bug i 6. Simplify: \ \ + \ . 7. A field of hay 'ik 40 rods long and 20 rods wide, and averages 1 ton, 14 cwt. per aero. What is the crop worth at $'J.GO a ton { 4 ' i ¥ -i t 66 KXUKCMSISS ly AlllTHMHTlC. a. Sold 00 louvcs of hi'oi'l for .i?4.20, wliich wad U'J cunts luss than cost. Find tlio ui.st [)i'ioo of lOO loaves, 'J. Find tlio II.C.F. of ;JI und 1472 ; and thu L.O.JVI. of all the prima nnniburs from 'JO I to 22i). 10. Find tho cost of a pilo of cord-wood 3IJ foot long and 5 feet lii^di at >>">.81 |)or corii!)()00, andagn'ed to pay for it in I) montliH with intercjst at (5 per cent, per annum. What amount will bo duo at the expiration of that time ? 13. (a) A piece of ground, 88 rods long, contains 22 acres ; find tlie cost of fencing it with a straight rail t'onci', the rails being 12 feet, inches long and costing §15 a thousand, tho fence to bo 6 rails liigli and 1 foot, inches, per rail-length, lo be alloved for ovcrlap[)ing, (/>) IJi.iiglit 70 lbs. of tea for i?:>l.50 ; sold it, so as to gain 87. Had I bought to the value of .$81, and sold it at the same price per lb., what would I have gained l Exercise LVIII. 1. A stationer gained 'r^ of the purchase money on pens, sold at 6 for 10 cents. What friijtlon of the purchase money would he have gained by selling 8 pons for 10 cents ? 2. It required $31.20 to redeem a n(jte, given seven years ago, with interest at 8 per cent per annum. What was the face of the note ? 3. Simplify : (a) Hj^. (b) ^^ of ^\ of 2^. (c) Add the results of (a) and (6) togcMier. 4. A stream increased 40 per cent., in volume, dtu'ing a freshet. What per cent, must it then decrease to be again at its former volume ? 5. A cut, I of a mile long, 00 feet wide and 20 feet deep on an average, is made through a clay hill ; find the weight, in tons, of the earth removed. 6. A block of marble is 9 feet long, 4 feet wide, and 8 inches thick ; find its weight. 7. A man spent J of his money, then i more than f of the re- mainder, when he found that he had still left $16. How much money had he at first ? <: FOUKTII CLASS. 6T 8. A man bou^'lifc turkeys nnd 12 i,'(!Ose for .?10.80. Tf each g<)()St3 cost oO coiits, what was (ho cost pncu of tho tiirkoys? 0. A, wlio has JMst, .sold !^ of lii.s fann fo f^, iiuM-oasirn^' tlio latfrr's land prnj)orty 10 ;^. has now 210 acres lesa than 13. W'liat is the vahio of both farni'i at 870 an acre ? 10. A i»lot of ground, ."»(»'> foot lon-^ and 1M2 foot wi(h!, ha.s a woodshed (!0 foot h»ni( and 1(5 foot wido Uiiilt on it, which can ])o filhid to the hi';i,'ht of 12 fcu't with cordwood. If 20 |>er cent, of tilt! plot, not occupied hy tho shod, is clo-icly [)ileil ^vilh cordwo(xl to a depth of 4 foot, what fraction of the pile will till the shed i 11. 'J'ho G.C.M. of two nuniljcrs h ^^ ; their L.C.M. is 42 ; one 2 \ ; what is tho other number? of thenun\l)ers ia 1 + 3 + U 12. If a road is 1 chain, 50 links wide, Imw many miles of 't will contain 240 acres ? 13. A stock-rais'T found that by sell ini^ his horses at 870 a head ho gained half as much as ho woidd have hjst at 810 a head. Find his profit on every 100 head of horses sold. Exercise LIX. 1. If 1 can have tho use of 870:).Oi) for 5 years for 8210.00, what will the usii of 80OO.OO cost me a year ? 2. One bricklayer charges 82.40 a day of 8 hours : another charges 83.00 a day of 1) hours. Which had I lietter emi)loy, and what woidd T save, by emjtloying the clu'a])or man, to do a job of work lasting six weeks, working 5 hours a dry i 3. Find the L.C.M. of : 1-fofi 9^1^ and 2|x^ ir 01 1-^of^ 8i^x2,7^ .. ^ 4. If 15 men require G5 days to mow 300 acres, how long will 3 men require to mow 315 acres ? 5. Find the cost of ])apei-ing tho walls of a room^ 20 feet, 9 inches long, 11 feet inches wide and 12 feet, 3 inches liigh, with paper, 22h inches wide, at 15 cents a yard. 6. A borrows 8150 for whii-lihe pays :':'2.25 a month. In what time will the interest thereon be GO per cent, of tho principal? At what rate per cent.? d i 'I 68 EXBKOISICS IN ARITUMETIO. 7. A bushel of coarse salt \veii,'lis TiO lbs., and a salt, mercliaiit buys 13 tons of salt for $180, wliicli he sells again at D cents a peck ; find his gain per coiit. 8. A gentleman's income is 5 per cent, of his capital. He pays annually 5^22.50, at 1^ per cent., as an income-tax. What is his Ca[>ii:il ? 9. A merchant in New York bought 20 quintals of coffee in Guatemala tor which lie was to payi%560. On weighing it, however, lie found each quintal to be 5 lbs. short in weight. Wiiat should he pay for it 1 10. If 7 lbs. of tea and 4 lbs. of coffee cost $7.00, and 3 lbs. of tea and 7 lbs. of coffee cost };^4.85, what i.s the value of 12 lbs. of each? 11. At $70 an acre, a farm is wortii $5950. It is 170 rods long. What will it cost to enclose it with a fence at 70 cents a rod ? 12. If 6 men, 10 women or 15 boys can do a work in 33 days, in what time will 30 men, 30 women and 30 boys do the same work, if they all work together at it ? 13. One-fifth and ^ of a number increased by 8 is equal to half the number ; find the number. Exercise LX. 1. A wagon, loaded with hay, weighs 38 cwt., and the wagon alone weighs 960 lbs. ; what is the hay on it worth at $12 a ton I 2. A farmer sold 3 pits of potatoes, consisting in all of 700 bushels, for $306. The first pit sold at 35 cents a bushel, the second at 40 cents, and the third at 50 cents. How many bushels were there in each pit ? 3. Simplify : ^ of l-j- 1 X 11 + J of /^ of |2 + h 4. Bought (MO yards cloth at .$1,372 '^ y^^'^^ ; <'2| yards at $1.28 a yard ; and 4G| yards at {>x.92 a yard. At what price per yard must I now sell it all in order to gain 14j^jj2^ per cent, on the transaction ? 5. Find the L.C.M. of (^-f iHf) ^^^^ J+H^-|)- 6. In an election 15 j\ per cent, of the voters refused to vote. Of the total votes in the (dectoial division A got ^\, and was eUeted by a iw.tjorlty of 500 votes over B, the defeated candidate. How many votes were polled for each ? FOURTH CLASS. 69 7. A pives $i.S7h for bnin ;it §15 a ton, and B givos 85.82 for sciino at days of 10 hours each. How much of the money should each receive^ 1 10. If a bushel of vviieafc makes 40 lbs. of flour, how many barrels of flour can a miller put up out of 127 tons, 17 cwt., 80 lbs. of wheat ? 11. A barters GO busliels, 48 lbs. of beans at $1.60 a bushel ; 26 bushels, 14 ll)s, rye at 80 cents a bushel ; and 7200 feet of lumber at $15.80 a thousand, with B, for a village lot wortli $ri8.01 per acre. Find the size of the lot. If 12. Simplify : -6 of 3-3 + — of 1^ "4 of 5-75. 13. The interest on a certain sum of money for 3 years at 7 per cent, is less by $39.20 than the interest on the same sum for 7 years at 5 per cent. What is the sum ? Exercise LXI. 1. If 3 horses, 4 oxen or 5 cows can be pastured for one month for $4.80, what should be paid for pasturing a horse, 2 oxen and 3 cows for 5 months ? 2. A person owning § of | of |f of a factory which is worth $39000 sells I of his share, what fractional part of the factory has he left, and what is it worth ? 3. If 40 women do a piece of work in 20 days, in how many days will 15 men do the same work, the work of 6 women being equal to that of 3 men ? 4. A and B rented a farm together ; they grew 850 bushels of grain, which they divided in such a manner that f of the number of bushels A received was equal to | of the number of bushels B re- ceived. How many bushels did each receive ? 5. Tom has $400. Ho gives away § of his money and then ^ of tho remainder. How much has he left ? 6. How much hay can I buy with $35 at the rate of '25 of a cent for 3 ozs. ? .1 70 EXKRCISES IN ARITIIMKTIO. 7. If 1 bnshol, 20 Ihs. of wheat will sow 1 Jiore, 80 sq. rods of 1,111(1, wliftt will the who.'it cust for 'J.7 Jicros of IuikI at §1 OlL'o pur hiishol ? 8. What will bo tlio cost of l)iiildiii'.( a stono dyko 80 ft. long, 10 fL wide and 15 ft. hij^h at IG^'j pence. Sterling,', ]Jor perch? (a perch -■=l(i.\ cubic ft.) 9. A inerchant lost ^ of his capih-il and then giiincd $500 ; after which ho was worth l;?2i)00. How much did he lose ? 10. The sum of 4 numbers is 2 ; tlio Hi-st nuiubor is §, the second is 5 of ° of ^2^ ^"^^ the third ,^3 ; liixl the fourth. 1 1. A man buys an article and sells it so as to ^nin 50 ])er cent. If hu liaci bought it at 20 p'cr cent. K'ss and sold it for $5 less, he W(juld have yaiued 7 1 }, per cuiit. Fin.l the coat price of the article. 12. A boy buys oranges at the rate of 4 for W cents and soils them at the rate of for 5 cents. How many must he buy and sell again to make a profit of 80 ceats? 13. (a) By selling cloth at $1.90 per yard a merchant lo.ses 5 per cent. What per cent, docs ho gain or lose by .selling at $2.20 jier yard? (h) One bell tolls 5 times in 8 minutes, and another bell tolls 4 times in 5 minutes ; how often will they toll together in 18 hours? Exercise LXII. (1^ ) 1. A man owing < — + 2} of 1^ - 4| + 2J > - ?[!- of a mine sold out ^ of his share by which he decreased his property $00,000. H l.a.slu;l.s (;f timoiliy .soeil at 5 cunts a lb., (•<) lbs. of p!irHni[is at 81.50 a bushel, and 7-* lbs. of new potatoes at Four cents oil' the d(jllar for ca.sh. i''ind amount i^ I. no a ba<^ 7. How many dollars will a tract of hind, 75 chains scjuare, cost at t'lO (Sterling pur acre ? 8. A room. 7"^ feet lonq;, CO feet wide and 10 feet hi-^di, contains 2 doors each 7 i^uut Ity 4 feiit, (J windows each 5 fuct, inches, l»y 4 feet, and one window 2 ft. stpiare. How many yards of paper 2 ft. wide will be required to cover its walls i 0. A seed merchant bought one-eighth of ,» bon of orchard grass seed at .^7 a bushel, 2 cwt. of En-lish blue grass seed at $15 a l)ushel. ITe mixed it and sold the whole at 60 cents alb. Find his gain per cent. 10. Divide 8^2.84 among 12 boys and 15 girls, so that each girl may have twice a.s much money as a boy, and lind the share of each. 11. A barrel holds somewhere between 42 and 48 gallons. It can be filled by an exact number of 3 or 5 quart measures. Find its capacity in gallons. 12. Wh'jn an ounce of gold is worth §18.75, what is the value of •38 of a lb. ? 13. What relative quantities of sugar at 7, 8, 11 and 14 cents a lb. must ])e sold, in a mixture, in order to realize an average of 10 cents a lb. ? Exercise LXIII. 1. Simplify V,} of I of 8^ of 2^^ of 2^ of ^i:,. 2. Hay is V orth $8 a ton and lambs are worth ^4.50 a head. How mucli hay should be given for 144 lambs '{ 3. A mail, af |-.er paying 3 cents on the dollar of his income and spending §1.20 a day, is able to save $823 a year. Find his annual income. 4. A tradesman adds 40 per cent, to the cost price of his goods, and allov,'.s his customers a reduo'ion of 14^ per cent, off their bills. What per cent, profit does he still make ? 5. A bought 20 hogs from B at $4.50 a head, and 80 from C at $4.75 a head. He then sold 75% of his entire drove to E at $4.80 a head. At what rate per head must he then sell the remainder, so as to gain $150 by the transaction ? (Iri \^ 72 EXERCISES IN ARITFIMKTIO. 6. Two men travelled a corUin distance on bicycles. The drive-wheol on one is foet in diaiiuitor, and tho (Irivtj-wluu'l on the other is 7 foot inchcH in diamutijr. How fai* are tlioy on tho road will n the drive-wluiol on tho Hmallor niachiiio has made IJ.'UJO rovolutiona more than the drive-wheel on tho larger? 7. A rootangular field, whose lonLjth is to its breadth as 8 . 7, contains .'i5 acres. What will it cost to enclose it with a hedge at Jiill.20arod? 8. A can do a piece of work in 2 days and B can do it, in 3 days. In how many days can they both working together do ^ of ir, ( 9. If the divisor be ^ of the quotient and 6 tinit'S the reniaind(!r, and twice the half of the sum of the three be 1008, find the dividend. 10. A rectanpjular plot of ground, 20 rods long and IG rods wide, is .surrounded by a gravel walk 12 foet wide, and on the outside of this walk a platform, 20 feet wide, is built of two-inch plank, sur- rounding the grounds. Find the value of tho plank, in the plat- form, at $25 a thousand feet, inch measure. 11. The less of two numbers is {^^-t-^} + \V^)i '^"^ their difleronco is ^ 10J-(2^-f §) ^ ; what is tho greater number/ 12. If the time past noon is f of the time till midnight, what is the time 1 13. Find the areas of the folio win.; annul i whose radii are re- spectively : (a) 18 and 17 inches ; (6) 26 and 10 inches ; (c) 57 and 50 inches. Exercise LXIV. 1. The diameter of a circle is 14 inches ; find its area. 2. The circumference of a circle is 66 feet ; find its radius. 3. The area of a circle is 2464 sq. yards ; find its diameter. 4. The radius of a circle is 24 yards, 1 foot, 6 inches ; find its area, 5. What is the area of a circular plot of ground whose radius is 112 yards 1 6. Find the area of an annulus whose radii are 80 and 60 inches respectively. 7. What ig the volume of a a solid cylinder 7 inches in diameter and 28 inches long ? rOURTn CLAS9. 73 8. Finrl, fo twu (lecini.il places, tho area of a cirolo 28 inclins in iliaiiiotor t'roiii wliicli a tiiuiigjilur piece, IG inclies to u sido, is tnit. 0. Find tlio Holid contoiits of a circular pieco (»f lead 18 iuches ill diunioier, and M^ inches thick. 10. Tho drivi!-\vhf>(d8 of a locomotive on(jine .no tacli 7 feot, 4 inches in (•in'Miiift'r<'nco and the pistnn sliaft is faHfcmid I inches fnnn the cireiiiufiTtMico of iho whuuls. Find tho length of the piston sli'itlio. 11. The area of a circle is 1380 sq. rods ; what is its diamotor ? 12. Tho solid contents of a circular [ilato of inetiil is 1 cuhic foot, 472 cubic inches ; wiiat is its radius, the plate })ein,<4 1.^ inches thick? 13. (a) A solid piece of metal, 31 feet loriij;, 5^ inches wide and 4 inches tliick, is melted and cast into a Imiluw cylinder whose external diameter is 17 inches, jind whoso thickness is \\ inches. Find tho lehi^'tji of the cylinder, (h) Reduco ,\ of an acre to sq. rods, etc., and | of a sq. rod to sq. yds., etc., and subtract the results. Exercise LXV. 1. A farmer took to market 2 hnor.s, 100 lbs. «;ach ; 14 bags pease, 150 lbs. each ; 00 dozen eggs ; and 70 lbs. butter. He got ,% .a cwt. for pork, 7'^' cents a busliel for pease, 10 cents for 15 eggs, and 20 cents a lb. for butter. How much money did he receive? 2. What is tho value of 72716 lbs. of flour at $3.40 a barrel ? 3. Find the co.st of 13 tons 1520 lbs. hay at $12 a ton. 4. Find tlio freight rates on two railroads, one of which charges $20 for the carriage of 40 cwt. 50 miles, and the other $70 for tho carriage of 100 cwt. 70 miles. 5. A gold ornament, weighing 311)8., 2 ozs., cost $800. If it is made of gold worth $15 an oz. what is charged for manufacture? 6. (a) In which order should the signs "of," " X,'" and "-r," be taken, in hrackcthig an expre.ssion in fractions ? (6; Simplify : ^ of If-ff of f x ^«^-^^ of f. 7. Simplify: (a) ^ of {jx ^-5-1^5. (6)ixKfof,V (c)Htoffx,V 8. If 80 men dig 5 acres, 80 rods in 15 days, how long will 45 men require to dig 10 acres, 40 rods, 005 yards ? li ' I li 1 i 1 ^ 1 i EXKIUU8K8 \S AUIIIIMKIIO. 9. A aiir.si;s ah $1 M a iu-atl. On half of thvin lio <,Min<'d l(»:[ jut otsnt. and on th(> of hur half ho lost I'J^ por ctnt. hid ho ^ain or lose on tho lot 54'J4. What is the price per barrel ? 3. In wliicli direction from Woodstock might you travel and your watch keep correct time ? 4. Find tlio total cost of 75 busluds apples at 3 cents a quart, 45 lbs. barley at 00 cents a bushel, 12 pecks of chjver seed at 12 cents a lb., 18 gallons vinegar at 5 cmts a pint, and 2 barrels sugar of 140 lbs. each, at .'IJ,- ll).s. for 25 cents. 5. How many miles can a man travel in 312 days of 10 hours each, going at the rate of 801) rods in an hour ? 0. Multiply 15 acres, 88 rods, yards, 2 feet 30 inches by 9 and divide the product by 15. 7 How much more will 120 barrels of flour weigh than '5 of 14 barrels of water I 8. If if of iV of ^ cheese cost 24 cents, what would a car-load of 470 cheeses cost 1 y. If 20 cords of wood cost §36, what will 74 cords coat ? fOt'KTII (LASH. T5 10. Diviilr ITilo timrbU'H iiriiniig 11 hoy.s nH f()ll(»\vs : Givo tf) tlie fii-Ht i of tlitiii . to ttu' K(M)iul }f i)i thuiu ; hiuI UiviUu tli<- mst t)(|Uiilly uiiioii<4 til*.' utiier boys. 11. Fin +„Y«. (1)) hniijLjht H llts. of ti'H and i;{ 11m. iniiri.-f for 8''.0J, imyin^j; Hu. a lb. mure for tUu tun tlmn t<>r tin; coH'uu ; tind tUo priuo of uach. If - I i - A 1. Simplify : of 4 ~ (t I 2 ~ f Exercise LXVII. r-7" 2. Wjiiit is tlu! sulling priou, per hiislitd, of wlioat, whiiu i advanuo of per cent., on tho cost, mised tlio prico $0 on a lUO bu.sliols 'i 3. A t^'rocor <^ivos 8 lbs. of prunes for a dollar, and thorel»y gains 25 per cent, lie afterwanls rediiees his gain on prunes to .10 j)or cent. How many Ib.s. by the latter unangement does he give for a dollar 'i 4. Five more than I of A's sheep were stohui ; live les> than ^ of the reiiiaiuiler (sti'.iyed ; 10 more than I of what then irmained died ; and he then sold 'J more than y^y of what was still left, when his (look still numbered 5 shee[». How m.iny were in tho flock at first ? 5. A and B start in n])pf)sit(> directions, away from each other, from two points C and 1), on a ciicular course OiiO i.xls in ciicum- forence, and they ])as.seach otliev wlun A lias gone 4i)0 yards farther than 1$. How many yards will 15 be from C (A's starting point) when A has reaoluMl D (I* s startiuLj [loint}, the shorter distance be- tween these pi ints bi'ing 100 rods i 6. A can dig a trench in 8 ii^urs, B in 12 hours, and C in 20 hours. How long will it take A and B to tinish tho trench after C has worked in it for 2k hours ? 7. A dairyman buys millv at 5 cents a quart and dilutes it with water, so that, by selling it at (i cents a cpuirt, he makes a pnjfit of 80 per cent, on his outlay. How much water does he mix with each quart of milk 1 'v 76 ETRRCTRP« i?f AiMTrnnrna 8. A ikkI W ufart %t oppnslt© rornorH of n rei lunRlo, who^o porl- liic' iM' IN 'J(I(MI \.ii-ii '/ 11. Oiii; lildi of the ditlcmrK n iM'lwtten two iiuinl)i!tH in oqnal to tho ihirticlh part of thu largur nuiidjur. Thu auiullur nunilicr is O'JD ; tind thr liugur. 12. By Hclliii;^ wino at 83 a u-dlon, T f:ivn (5 per cent. Wli.it BhuuUl 1 gain, per cunt., if 1 huU at i!;f:(..'t*.^|} n gallon 9 l.'l. A hlock of Htone, ir'x7''xr)" is placed in a cylindiiral tiil», 14 iiK'lx'H in diaiii'tcr, and \'2 iiichcH diH>p. 'I'lit; tiil> is tlicn tillfd witli wiittT, and Lho lilock is removed. IJow duel) ^^^^ '''"J vvatcr then bu in the tub 1 Exercise LXVIII. 1. (a) Distinguish luitwoen multijih'. and fnrfor; find tho L.C.M. of l"»fi, 170, 27'A -'73, 378, and 45"). (/;,) Of what Muini)er are 111 148, 185, 222, 259, 290 and '3li'6 mnUiidHsi Which muUipUs uro thoy 1 2. (a) Define : policy, i')isu,r(inre, prcmitim, and rate per cent. (b) A's barn is insured for Jii'JIiOO at jj j)er cent. Kind the premium. (c) If a merchant gain ^1.44 on an article sold for ^7.20, what is his gain i)or cent, 'i 3. (a) DefiiU! : barter, ratio, praportion, corn/dec fnu-fiov, principal and interest, (h) A barters (lour at 85.50 a barrel with B for 30 cwt. 30 ll)s. of dried apples at ^5 a bushel, llow nuuiy barrels of dour should B get] 4. A grocer mixes tea at 45 cents a lb. with tea at 50 cents a lb. in the ratio of 5 lbs. of tlie former to 3 lbs. of tiii; latter. At what price per lb. must he sell the n>ixture to j^ain GO pur cent. ? 5. On May 1st, 1890, 1 lout .i?14(>0 at 5 per cent. i)er annum. On what date will tho amount due me be $1474.60/ (305 days == ft year). 6. A and B can do a certain work in half a day, B and C in one- fourth of a day, and A and C in one-lifth of a day. In what tiine could B do tliB wliole work alone I roUHTII CLAflt. TT A - \ -eft - 2 7. IMvldo the trim of mi I hy th»ir di^ertnr§. fl. Stufe thn nilo for /nlditij? rof»otonrlM. Add 1*78 1-310 + • • • • l«» 4021 + 17'4.>.'J, Hi) as to exiiiUit lliu wliolu vvtuk. !). A <- v iiro oiiMipiuil 1«) iluvs in div^ini? .vditiih for wliitili !*r)'J is piiid. ('0 VVIiJit sli irn of tin' inoncy slioiild A roouive ? (6) iluw lung wuuld tho work litivo occiipiud li uloiiu '\ 10. Tf my nvilwiiy t'lini from Torniito to Port Arflmr bo I?'-*"). 05 at lluj riitt) of .'{ conts (i milo, iiixl my Htcjiinlio it taio, rot iiriiin<^ to Toronto l»y w-itur, ht- 'X\\ pir coiit. \wv mil.. (;li»'.i|M!r, find my tnkub for tiiu roiiinl trip, \\w distunuo by botvt biin^ 20 por cunt fnrtliur than blio ilistum^u by mil. 11. In a b.iskt't of onvngos .niil lfmmoiiH Wt-ri' piiL into tho })uskot, flio orjiiij^os niimborcil [ of tlio wholo bu.sUct ; how many dozen, in uil, worts thoro in tlio baskot at first ? 12. How many milos will a man, who drivoH 11 chains 11 feet i'i a minuto, drive in 8 hoia\s ? l:{. Divide $liG among A, B and 0, so that i A'a = } B's = Exercise LXIX. 1. Twelve men can do a cirtain work in 15 days ; but owing to 3 of the men leavinj^ a certain number of days after the work was bej,nin, it was prolonged '6\ days. How many days diet nhe .',hree men work \ 2. A train from Winnipo'^ to INToosojaw, IJOO milos, is due in 21 hours ; for one-thiid of the distance it makes 40 miles an liour, and for the remainder of the way 20 miles an liour ; how many Imurs, minutes and seconds is it (Omul of time at Moosejuw ? 3. A, H and togetlior have 87. oO. A has 84' ; W lias 'S much money as A and J as much as C, and C ha^ lA times as much as A and IJ together. How much money has C ? 4. The hind wheel of a carria'^e is V.\ feet, and tho fore wheel 10 feet in cncuuiference. How far has the carriaLje ■cmu', in miles, when the fore wheel has made 1584 revolutions more than iho hind wheel? II V < 4 7fl txr.na\nitM iv AR:riiMRrta n. IImw iiiiich tuik tit 45 «'Miir>4 II I)). nuHt Im< iiiixcd with 10 1I>h. lit n2 OfiiiH II III., ill unit!!' to in.iki) u mixturu whicli, Mold ut (U) cuittM a 1 1)., ({ivc'M (I |>i''>lii of *J0 por ci*iit. / H. A frititor lioii^^ht Mmti)<0'« ut tliu rutu of 85 pur litiitilitil, tint fiitiiid titut. I>v iniHttlvi' Uv liuil ^Mt 1 10 oritiiKi.'H iuntcml of onu liiin- ili'ixl fort||i>!^5. Ilf ii'Vv ruist'il tlin rosf pricn of oriiii<{uN 15 prr U(>nt. (illil snlil out till* wtmlo jut ; liiid Iiih i^mti por rent. 7. H'>ll'_'ht It poitioii of lalitl. ill tin; funn of j( rrcl.iiijlo, IM) l»y HO ni'N at h75 iiii m ri«. f ^iiim-il .Sl."<>5 l.y Mrjliiivf it oil' in lntH ut ^\li uiKtIi. WImt ti'mtioiiil piii't of im utru did uacli lot loiitain V 8. Iludiuui lU 1I>M., 4 oz«., 17 dwt., 12 gt'H., tioijf to IUh. and o/ji., illvinllllKtiH, \). A ructiinuiilar fiirm i.H .'KJO rods I<>ti'^, and itH porimutor i» 4 iiiilus, 80 I'odM. Kind itH valno at 2i:) Om; lioll tolls OtiinuH in 8 iiiiiiiitt.'H, ainl unotluT lull lolls 5 tiiiiuH in 7 iiiiniitcs ; liuw oflm will lliuy toll loyntlur in :S lionrs, 10 inlnutos < 11. Ah inonoy is I of B'h ; Imt 11 j,'ivoH A ^.'J5, afti-r which A has 1\ tinius as much uh iiu had at first ; hovsr much money had uach ut tirst i 12. flow much heavier will Idils. of flour mid TJ bbla. of pork weigh than 2 oul»ic yds., 2 culiic It. of water? l',\ A owns finiy roctun^uliir plots of land ; thu Jirst 101 l»y HO rods, the firroiiil 14 Ity 5 chains, the tliiid oO l»y It cjiains, and the fuurtli. UO chains hy \',i chains, 40 links. What in tho vuluo of A'b fuur pluttt of land ut i^5(i an aero ? Exorcise LXX. 1. At 13 contsH s(piare y ' -'., it cost .^20.80 to pnvo tho surface of a roctanu'ular court, whose width was feet ; find its loni,'th. 2. Tho dimensions of a rectan,L(ular farm areas 9 : 8, and it costs ^74.80 to fence it at 4 cents a yard. Find its sizo in acres. 3. Efpial weights of ryo at 70 cents, peas at 75 cents, and millet at 00 cents, are clioppiid together ; what is tho value of the mixture per bushel, givoti that tho mixture increases 7^3 per cent., in bulk, m tho grinding pnjcosa ? 4. A man spent ^ of his money, after which he gained 5 times what he spent ; he then hud $5000 ; what was his money at first i roi'itrii CLADi. IV ft. A hr\s $'\y7, nnd M, hli britlior in Mi'llinnrno, lnf» CIT.'ft Stfiliiiv; II tw iiKtiiy tlolUiM hIiouM A recti vu t'l'oiii Li tliut Ihuir xmuN limy ho i>i|iiul / 0. Tliror IIh. I» iiin.l l 1I>m. cotr.o, o.»*f »..„^.tb..p !?.'], flO, iinH. tea mill •( II)h. C'lluu, intt tnj^rthur ii7>'*i't ', liml tiiu vuliiu of 1 cwt. of tua. 7. Divltlo if" Of);uMMii.i A. H im.l (\ H.) timt It hIi.iII n-rolvo *»."►() iiiort* tliiU) A, uikI that (' hIiuII ivoiivo MHiiiiich iih A aiitl It togolhiT. H. A iiiiui mniH liruL*.** ivrrv JU inuiithM, atul hikmiIh in iiioiitliit whiit III) I'urim in 4 iiionths. What will ho huvd hi 13 ycurs and h\\ iuoiiIIimY 0. F'lttr pi'iHonM ftirni n |)iu'tnfi>liip ; tliii Hci'iinil pnts in twico uh liiU(;li us tilt! lilst, tht> thii'l half uh iiiiirli as the Ht.«l and srcoiid to- yuthor, and iho fourth a^ iii'i'h as flu-othiT tliiut.'. Thiy j^iin in riUhiiiDHH ii'uiUO. How Hhoulil this hu divided / 10. Simplify : — of ij «>f ,1 of j + J x J rf ^liO dollars. 7 II. A has 1(> an., 18 hi], in. of land ; IS has 117 ho, i-ndH, 2 h({. ft., 18 .s(|. in. ; (- his 17 ac, lo si|. rods, ,M}, hi|. fi-ot ; I) han 175 scj. riids, 2 s(|. ft'fl, lOS sii. ill , ;ind M has i iiuih^ni \<> llni.sh out a tifty- acri) lot. liow niiicli land has K h.'.ss than .V i 12. How often doos the L. C. M. of contain tlieir If. C. F. ? «i X ^ and i -^ 8 of /j2 x I'j i'o V,\. Find tho total cost of 2 • wt., 1.T ll.s., 12 ozs. hnttor at 18 cents a Ih., U5 ^als. 2 ({in. syrup at 10 cents a '.,Mlli>n, l.S'l v^'J^a at IH ci-'iits a dn/Dii, 15 husht'ls. 1 pt'ck of .■ipplus ut <»0 oi'i-.ts a hii-.hcl, 45 Ihs., 4 o/s. tea at 10 ci>n(s .i Ih., 70 huncln;s hiaid at i:;il2.1)ii a gfoss, and 45 yds. cotton at iL'A i :t;nts a yard. Exercise LXXI. 1. A wholesale dealer ^idls j^oods to n i-t'tail dealer at 00 pur cent, profit ; l>ut tiie retail Us'iler fails, |>ayiii^' his critditors with 80 cents on tho dollar. What per cent, docs the whoh'.saU; dealer j,'ain or lose { 2, The dift'erenoe in u'ei.,'ht oi two chests of tea is 12^ Ihs. ; the value of hdtii, at 54 ouutb u lb., iu •i<47.25. lIow many \hs. arv there iu each uheut 1 m 80 EXEUCISKS IN AinTMME'l'IO. 3. Find the interest on JPODO for 4 years, 3 months, at 8 per cent, per annul 1. 4. Find the amount of $720 for 3 years, 2 montlis, at 8 per cent, per annum. 5. A farmer lost 02 o*' his sheep by disea.su ; '68 by theft, and sold § of the reiiijvindor, aitur which he had 30 sheep left. What was the number of hi.s Uoci: of shtep i 6. Bouglit pencils at 80 tonts a gross, and sold them at a cent eacli ; find my gain [)er cent. 7. Bought 16 crate.sof egg.s of 40 dozcsn each, at 15 cents a dozen; lost two out of every score, and sold the n;iiiainder at 25 cents a dozen, paying a commission agent $7.70 for selling them ; find my gain on eggs. 8. A man owned w of | of a square mile of land in Shoal Lake County ; j^ of I of ";j of 121C scjuare rods in M;ir(i;iotte County, and •^ of § of /g of a thousand 8(juare yards iji WiunipoL;. ITow many acres, square rods, S((uare yards, etc., of land did he own altogetlier? 9. Divide $840 among A, B and C, so that A shall receive ^ of the whole sum, ami that li shall receive <\ as mucli a.s C. "3h of 3f 4 1> u Vx of J 175 J $12 ; (6) 10. Simplify (a) \ -^-— of 8§ Add£2|, 6^8., 5§d. 11. Joseph lost f of ]^ of his money and had $15 more than f of it left. How nuich money had he at hrst ? 12. Find the difference between iH^ is + \\-^^- ia }- x 52 and i Hy{^ + H^H)~is y x78. 13. (a) Divide the L.C.M. of 4, 6, 18, 27, 54, 72 and 99 by the H.C.F. of \ 27 25^ 480 75 of- - and I of 1.^. 12 (6) (i) In the Arabic system of Notation, what is meant by the ' local value ' of a digit / (ii) In the number 570, what two values has the figure 7 ? (m) To the sum of all tlie ecen nuud)er.s between 915 and 925, add 7282 ; square the sum ; and write the product in Roman numerals. L FOURTH CLASS. Exercise LXXII. ai 1. (a) Name and dofino the two kimls of fractions, giving an (4 5 1 ^ example of each; (6) simplify <- -r-— of Ij-r + \ (5 18 m 'G of -83 3-5 2. (ft) Name the difTerotit kinds of decimals ; and, without unin^ tlio (lonniiiiiiahor.s ot' rlnj fidlowiiig h'a(;ri()ns as divisur.s, stafo vvhicli kiml of ducniial vm-Yi will pimliuH! : ,",7,y, /', and 'f;',?',^ ; (6) Simplify each of the following by chaugiag it to a vulgar fraction : (i) '48125; (II) •0541)45 ; (iiij •45(iur)(;. 3. Sold a ]r.\]v of fur mitts for 83. ."iO, gaining thereby 14^ per cent, of my selling price ; what fractional part of the cost would 1 have lost, had I sold the mitts for 82.40 1 4. A fuel-dealer's sales, for the year 1800, anK^inited to ^3500 ; tm coal, which fonued » of his sales, ho I'c.ali/cd Ki'-' iterceut. profit; on wood, whicli fuiincil i of liis sales, he realized 'Jo per cent, profit, and on coke, which formed the balance of his sales, he realized 11,J l)er cent. prrice, which is 20 per cent, in advance of his cost price, is 20 per cent, below his marked price. Find his cost price for an article marked $15. 6. A man's farm is 160 rods long and 12 cliains 50 links wide ; what decimal part of a square mile of land does be own ? 7. One-fifteenth of a man's money is in the Bank of Com- merce at 5 per cent, per anninu ; i in Canada Pacific Railway de- bentures at 10 pel cent, per annum ; the rest in farm property, pay- ing 8 per cent, per annum. Find his total yearly income, if farm property, alone, yields him ^100 half-yearly income. 8. Find the H.C.F. and the L.C.M. of 4305, 1722. and 1640. 9. Express, in Roman numerals, four times the difference be- tween the sum,^nd difference of XIIIXIII and VIlCDIil. 10. If eight bushels of wheat will sow 4 acres, 80 sq. rods of land, what will the wheat, necessary for sowing a "quarter-section" of land, cost at $1.35 a bushel i 11. B lost I of § of }| of his money on Monday, and 75 cents more than ^ of the remainder on Tuesday, after which be had $13 left J how much money had he it first 1 II f r !^ i r n li' 1^ 'i ; 82 EXKKCISIiS IV AUITHMETIC. 12. If 4 11)3. of whofih niako 3 llj.s. of flour, how many bbls. of flour can bu iiuulo from '.".'.> lmsli(.'ls, 54 lUs., 1(>!-| ri/s. of whuat ? !.*>, A <,'(MiM('iii;in'H osl.il^o consists of 51) Mfjuiro liclds, each 14 chains, 4U links t^o a side ; how i.-iany acres, nxls, etc., of land does ho own ? Exorcise LXXIII. 1. Ai 20 por cont. a la ^vchaut pays $151*2 lasse.s is 15 cents, what is tlio size of a puncheon in <4alloii3 i 2. A i^'rocei', by selliir4 15 lbs. of su;j;ar for a dollar, gains 10 per cent.; what [tav cent, do s ho gain by selling 12 lbs. for a dollar? 3. Which is the gre;iti r r",te of interest, and by how much. [)0r -814.40 on 800 ;or '.'> years, or 81^ on 840 for 5 years? 4. Sold two tubs of Imtter weighing together 80 Ib.-i., 2 ozs. ; the larger tub l)rouglit 24 criis. and the s iiall.r one 20 cents a lb. If tho larL'or tub weighed !> lb>. 2 o/.s. more than the smaller, find the total receipts for both tubs of butter. 5. The hands of a clock indicate 10 a.m. What o'clock is it when the iiands are 130 d. gi c^es apart i 6. At 1!) cents a squMve yard, it costs 87.02 to i)aint the floor of a room ; and it cos s 81*' 5'), at 15 cents a :<(]'iare yard, to paint its four walls. Find tlu) diiiieiisions of the room, if its breadth is 5 of its length. 7. When wheat is 81 bO a bushel, a l»arrol of flour costs 85 ; what should be ilie cost of a barrid of flour when wheat is .■*1.28 a bushel, the cost of marking a barrel of flour being 35 cents ? 8. Find tho v;due of a pile of wood. G rods long, 9 ft. wide and 12 ft. hiih, at 82.88 a coi'd. 0. An elevators cai)aci"y is 1800D busliols. and three elevating spouts, A. B and 0, lill it in hours, Avhtn W(jrking together. If A tills 500 bu-shels per hour more than B, and (J lills 100 bushels per hour less tlian A, what fractional part of the elevator does A hll in t\w (J iren t line? 10. W'licu 30 eggs are north 82.19, what is the price of eggs per doicen in shillings Sterliur !* 11. Two boys together walk 7 miles. IfiO rods, in 1 hour, 30 min., one walks 120 chains in 30 min. ; how many miles per hour does the other walk ? FUUIITII CLASS. 83 Lf jr 12. A oistorn holds 33 bhls. 10)t r;alH. of water ; its upper surface Pleasures (5 ft. by 4 ft. ; how (h;ep is it ? 13. At 5 eunts t'Jich l>oai'(l, it costs !?7'- to huiM a hoarrl-fenco, four boards hii^h, .tiomul a ructan!:;iilav ru-M -lOrotls wide, tho lidards being 11 ft. long ; what will it co.^t to plough and bow the tiuld at $5 an acre ? Exercise LXXIV. 1. The sellinfj prict; of a horse was !?8J, and tho gain at which it was sold was V2h per cent, of the cost. Find the cost price of tho horse. 2. Find the total of the following ))y adiling, Jif lO^x^if}^ +78^^^. 7. A, B and C. together, bought 150 slu'op. A invested $270, B, i^l80, and 0, .^300. How .sJiould the sheep be divided, and whaC is the average co.st price per head i I ! M: 84 EXKRCISDS IN AllITHMITIO. 8. A rlid I of a ccrtfiiii piocu of work, B J of it, and C tinishod it in 1] (liy.s. Of -SjO, p.-.iil foi- tliu work, how much should ouch one gut !< Wliul wovo (j'h Udily wsv^oa'i 9. Divide sixly-.six and two tontijs l»y four and four tenths, and reduce) the quotient to a d«!cinial. 10. A has It) acres, ITtO s(£. rods, 3.^ s(i. yds. of land ; B has 70 sq. rods, 3 sq. ft., 18 sq. in., and ( ' has 11 aH. wluN-it at 87 cents a bushel ; 28 tons 720 lbs. hay, at 815 a ton ; 120 lbs. l)\itter, at .'37A cents a lb., to pay a n;>te of $520 which had run from May .'list, i88"J, until Jan. 5th, 1890, at per cent, per annum ; what had 1 left after paying the 1 ote ? 13. A boy gave away 40 cents more than ^ of his n)oney to hia sister, who then had ^ more money th;i.n she ha>i'<^ by 5 chains wide. What is the value of both pieces of ground ui ;*'5o ;.n an 9 ? 6. Bought 15 barrels flour at $5 a barrel, and put it dp in bags, holding 25 lbs encl:, wliich I sold at 80 cer«3 each. Find my gain or loss on the ?,'i'aie oua^.^ir/ 'I 'P FOURTH CLASS. SIS 7. A and B working together can dig a drain in 50 hours, B and C in 35 hours, and A and C in 40 hours. In what tim« would they all working together dig the drain ? 8. Find the value, in acres, sq. rods and sq. yards, of 34'5 acres + 475-4 s(i. roda-500«0-85 sq yards. 9. A can walk 4 and B 5 miles an hour ; how many minutes' start must B give A in an eii^ditoen-milerace, so that they may come out evenly ? 10. James walks 120 chains in 30 minutes, and Oeorgo walks 160 rods in l.'t minutes. ITow many miles apart will they be, in 3 hours, walkinj^ from the same point, and in oppoaiie directions? 11. A farm of 105 acres, 125 sq. rods, 15 sq. yaids, is divided into 5 fields ; the first cimtains 10 acres, 15 sq. rods, 17 .s(j. yards, the second 3 times as mucli as the first, the third half as nmch as the secimd, and the fonnh half as much as the third ; what does the fifth contain \ 12. To 41 add h and ^ of f^, and divide the result by 83 J. (N.B. — Write out the quest i(m in fraction form, so as to show that you understand it ; then solve it). 13. Find the fyroduct of the L.C.M and H.C.F. of 450 and 525. ii; 1 Exercise LXXVI. 1. A farmer sold 1248 lbs. of Hungarian seed at S3.12| a bushel, and with the mon-y boiiylit carpeting at 37^ cents a yard. How many yards and feet did ho receive ? 2. A and B can do a work in 4 -hiys, A and in 3 days, and B and C in 6 days. In what time can B finivh the work alone, after he works at it with A for half a dry ? 3. A merchant throws (;(F 20 per cent of the cost price < n article, and tlion is paid with 50 per cent, of the remainder; wnat per cent, of the cost has he actually lost ? 4. When apples are selling at |)| a peck, how many lbs jan I 3^ "i buy with - | -r ^ of - x |^ I times $2.88 ? 5. 1 ordered 5 lbs. of cheese, but the grocer weighed out 4 lbs., 12 ozs. , to fill the order. What per rent, was I cheated ? 6. In question 5, what would the grocer gain on the sale of 19 lbs. cheese (by ^'JiUing orders^' as stated therein) at 13 cents a il ? I! 86 EXKRCISKS IN AniTHMETIC. I 7. Tho arcii of h vinoynnl in 4800 .s(|M;iro rods, nnd its length is to its l)i't!;iiUli iiH 5 : .') ; tiiid thu oust ni oiiclosiug it with u fcnco at 15 ciiiit.s H rod. 8. If 4 men or })oy.s can 7^ per head ? 12. A has !?120, and B has J|:lOr> ; what per cent, is B's money of the whole / 13. Bought pencils at 80 cents a gropi, and cleared 440 per cent, on soiling them ; what was my selling ])rie!o per pencil? Exercise LXXVII. 1. I sell 45 tons of coal for •'3281.25, thereby gaining 25 tor oont. ; find the cost price of coal per c\v^t. 2. A miller sold ^ of his stock of Hoiu" at 85.50 a biirrel, renliji- ing there' y !;iL 6. A and B throw dirks at marks, both beginning at the same time, and each tilro^7ing 21 dirks. A can throw 4 dirks in 5 minuter and B can throw 14 dirks in 15 minutes, IIovv many dirks will A have to throw after B has thrown his last one? FOl/KTH CLASS, 87 7. A cistern has throo pi|v'«i, A, R .iiul 0. It can bo fillod by A in 10 huurs, iinil it can l)o fnipti«il by II and C in L'O and 'M bo\irs rospoctM uly. If tbo iiisli-rn is ,1 full ami all tlio pipes art- opcnud, in vviiat time will it Ito ,[ full, it luMiig found that tho cistorn hug sprung A leak }; tho aizo of pipo A ? 8. A man. who can row miles an hour in still water, is occu- l)ii'd Ihuur, lU) uiinur.t's in rowiH'ithat distance up a stream; howlougj will he be iod in riiwin<4 0 aiiionijj A, I?, and 0, giving' B ^10 more tiian half as much us A, and C a;-i niueh aa A and I* t<»<4»ither. 10. A grocer hayn a b;ui\'l of HUgiir wois^liing 315 lbs. for |18. What per cent, does !u;.i gain or lose l)y sollin-j; ;i of it at tho rate of 18 lbs. for a dollar, and the romaindi-r at J.2 1!.ih. iov u dcdlar ? 11. Tom has \ - : — of l^-i 1-1 - cents more than Bob in It IB 8t)? J a purse of $9.35 ; lind the sliare of oa,ch, 12. A miller bou',dit 150 cwc. of wheal at 87 cents a bushel ; he ground it into Hour, gottiriL; 38 Uti. of Hour and 22 lbs. of bran and shorts frt)m a bushel of wlicat ; ho anid the Hour at $4 i'/ i barrel, and the bran and shorts at GO cents a «nvt. ; find his gain. 13. Divide 250 acres, 83 rods, 23 yiU., 2 fc., 30 in. by 6. Exercise LXXVIII. 1. What will it c(\st to carpet a lioi»r 21 feet lonfi;. by 18 feet wide, with cari)eting 30 incliea wide at 75 cents a yard i 2. At what time after o'clock p.m, are the hands of a watch equidistant fi-om thu liguro IX? 3. Divide tlio sum of 8305 among 12 men, 10 women imd 45 children, so tliat ea'di man shall receive as much as 3 womeuj arnd each woman as much aa 6 children. 4. Find the simple interest on $3285 for 150 days at per cent> per annum. 6. A boy spent $1 more than ^ of his money on Monday ; $5 more than } of tho remainder on Tuesday ; then S15 more than ^ of the remainder on Wednesday ; after which he had $30 left. How much money had he at lirst ? C. Bought 4 boxes of biscuits at 15 cents a lb., paying therefor $13.80 ; how many lbs. were there in a box? 7. Simplify : ^ 3^ + 2^ x 3^ 1^ l^^xi. 1 h 11 r 88 BXKROISBS IN ARITIIMBTia 6. Find the total c(mb of : i 08.34 1I)H. of oatH at 32 cents a buHhol. 8 tons, 1 10 IbH. hay at $U) a ton. 682 ll)n. chooNo at .ii^O.Ol an (jiitice. 480 ounooR fea at 02^ ct-nis a lb. 101)7 yards. L'Hj'^j inclum cotton a(" 6 cents a yard. 9. A apt (Milator b(tu«,'ht a certain niinibor of niiilt^s for $<'i.'<00 ; be sold }^ of tliciii for J^lJiHO, j,'aiiiiii^ Mioroby iM'J |icr htad on liis HahsH. What did ho i>ay per lu;ad for bis iiiuIuh i 10. A and B aj^rood todivido thoir travelling expcnsfs intbo ratio of IJ : 2 ; but A pa '' $4 and li paid "^13.60 ; how much must ono pay and till) othor recui. j to sottlo accounts? 11. Kind the valtio, in lbs. and ozs., of 24.'J of a ton. 3^ 2 (Si 2 , 12. Simplify: \— + ,\ of fVxl|x72. I 7 lOi ) 13. .John can dig 14 bushels of potatoes in 3 hours, and Tom can dig 3 I ;ks in 5 minutes. Ilow many bushels woiild th*\y both together dig in a week, working hours a day ( What fracticmal part of the whole does John dig in a week i Exercise LXXIX. 1. What sum will amount to $.'58.78 in 3 years, 2 months, 15 days at 12 per cent, per ami rn ? 2. The oloth from a certain loom is 20 per cent, cotton, 80 per cent of the remainder is worsteil, and t iie rest .silk ; what is the »dk, in a web of 80 yards, worth at 83.80 per yard ^ 3. In a certai) ..ohool the l)oys were to the girls as 3; 2; but when 5 more girls were admitted, the girls numlna'cd j\ of the wliole school ; tind the uumlwr of girls in the school at first, 4. How many yards of carpet, worth 87^ cents a yard, must be given in exchange for 253 yards, 2 ft. of carpet worth !J5.25 a yard? 5. A man lost i^ of his money in an adventure. He then gained $800 ; after which he had ii^tiSOO ; h^w much money did he lose? 0. The fore and hind wheels of a carriage are 12 and 15 feet, respectively, in circumference ; how far nmst the carriage travel in order that tlie fore wheels may each make 572 revolutions more than the hiud wheels together? FOURIU CLAM. 7. If 40 oriincfon iiold for SI. 20, and the ^'uin tlmrcby ba 20 por cent., finri Mie cost prico of omu'^^uH \n>v dozon. 8. A tiun^haiit hoIIh 'JO y!ir oonts a yiinl ? 12. Honpfht H; whnep at ^Ty.'.Vih each ; sold | of them at ^.75 each, and the rent at ^12 ench ; wliat did I gain? 13. (a) Find tho valtie, ut .1^.'{8.37i) an acre, of a piece of land of roctun<;nlHr shap"', IHO eliains loti<4 by (50 ro por oont. |>ui' aiiiiiiiii, siiiiplt! iiitiui^st. Ilo witlidrawH !9lir)5)it tluM!ii(l of 13 yoaiH i tinl thu ori^^inal huiu lUtposituil in tliu Malik. S. LoiiioMs l)ou\'lit at, l|1.20 pt^r 'J\ i|i>/) Fiii.l tho II. 0. K. ami L. O. M. of L'.'tK) an.l '2520, by rosolviiiiL,' tNuh into itH pvinw fantors, atnl wliu'tinq fmnt thine fudor.H th.-'ir. 0. F. .11). I L. C. M. (.•) Tho II. (\ F. of hen nmii- l)cr.s is .')! ; thoir h. C M. i.s ii'^oL'O ; oiio of tlio nninlM'is i.s 71-^ ; timl tho othiir. (d) l)ivi(h) thu L. 0. U. ..f :«;(), l>Ot, I'M), i.nd 510, by tho II. C. F. of V.YAH and 'JJiil. 10. Find tho product of the L. 0. M. of HIKSO, 27:50, 2484, 3105, /.\ - ^\ ir.80, lOC.O, 2S00 and tho 11, C. F. of 7 I ) of ^5 + A and i-^ . . . " 9 -i- l.Tj of -ii. 11. A laborer at^rotiJ to di'jj ft certain ditch at 12conta a rod. Tlie tir.st W(H'K hi'diii^ 2r> rods more tlian th • h.iif of it, and tho follo\vim( wook hi! linishisd th(! rciiMiiiinn 'Jl.j rods <>f thu ditoli. I) What wore his (/(L*2, and tiiat (J shall ri'coivo .S25 tnoro than half a.^ much as A ,ind B to„'othor. ;/() Divide !iiy\(h at ftO |»i»r coT.t. ftdvnnro oncost ; ill'- |i»'tll,ii' Ih'i'oiin's haiiknipt, )iiit' lu<(>r lit, \H ctiitH II ^mIIdii ; at wliiit |tiii'<> |M>i' pint imi^l liu ni»\v sull tlif iiiixiuri) to ^^niii \'>i{\\ i'»'r ci'iit. on tin- \vlii»U> I f). 'i'li(! prico «>f »oh1 ris»«s II,', p t ctMit. ; \}y how tniicli por cent, must tho consiMMur luduco his consumption of coiil, ho uh not to ineroiiHu hi.H I'XpiMiditui'u '( (»- A rt'ct.vnL'uliir ph»t of ground contains lo.'JdT'HiMO ,s0.ri() was di\ idi-il anioii'^ .'UJ prrsotis ; ii curtiiin miuil)ci' of iln'iu ri'i'fi'. cd ji^-^ carh, ivnd ih»' lost 5l> cciili t-ach ; huvv luiiny Well' tlii^ro ut, njich ratu '< U. It sojv-wiitur contains 2^ per cent, of salt, how numy tons of sou-water must ho uvH|M»rfitod ni order to obtain 1 tun, loOO Mm. sidt ? 10. A pilo of cordwood contains 12S cords ; it is 1 .\ tiincsus long, and }[ times as hinh as it is wi(h) ; find its dimensions in tout. 11. ]']i.,'lit men contracted to do a piece of woi'k in 20 days ; hut, owing to thri'r of thti men h'aviu'^ a certain nuiaher of days after tin; work was liegini, it was under contract 24i days, lluw long did the three men work ? J2. A tank contains .'}<)() j,'anons of water after a certain (piantity of water lias hcen achh'd which increased its volume 25 per cent.; how many 'gallons must now hi; withdrawn, so that the water may find its fornn-r level { lo. Find the value of 728 Ihs. of rye and barley mixed efpmily by measure, when rye is 70 cents, and barley is 80 cents, per bushel. Exercise LXXXII. 1. 'rh(f sum of 8118.75 was paid for a certain piece of work. A antl B W(jrked toijjellier at it for a certain time ; .after which B fin- ished it alone in 7j days. It A and B, when workini,' toj.(eth< r, received $5 a day, how many days did each work ? {AoU. — A — - B in work, throughout.) ^.^°' s^ V> \> V] Vl /: /A 7 V IMAGE EVALUATION TEST TARGET (MT-3) '1.0 ■fill! 12.5 ■U 1^ 122 t ld& 12.0 u JIJlBE I.I 1.25 1'-^ IJ4 Photographic Sdences Corporation •^ \ iV \\ ^q> V \ 23 WEST MAIN STREET WEBSTER, N.Y. 14580 (716)872-4503 ■^ n BXUR0ISE8 IN ARITUMBTIO. 2. Simplify I ( — of— I -r I — x- I of (2.^ of U+— . I \ J U' / ^ 14]* 26 / \ ■ Hi ') 27 3. Two cogged wheels work togttlKH' ; one wheel lias 90 and the other 40 cogs ; the larger revolves 100 times in a second ; how often will the wheels be in contact, in the same position, every second 'il 4. A has $3 more than \ of a certain sum of momy ; B has ^12 more than j*^ of the same sum, and C has $10 less tlum ^ of it ; find the sum. 5. Bought fruit for $120 ; sold 00 per c<;nt. of it at 8) per cent, of the cost price, and the rest at 20 pur ctnt. advance on the cost price. Find my gain or loss ptsr cent, on the whole. 6. A boy has 9 coins in his purse; there are twice as many twenty cent pieces as five-cent pieces, and half as many ten- cent pieces as lives and twenties together. How much money has the boy in his purse ? 7. A and B have together $420 ; and 20 per cent, of A's is $4 less than 1G| per cent, of B's. How much money has each ? 8. Wheat weighs 48 lbs. to the cubic foot ; find the value of a bin of wheat, 40 feet long, 20 feet Avide and 4 feet 6 inches deep, at $1.05 a bushel. 9. A does f of a piece of work in 16 days, and then B joins him. They work together at it for 1^ days when B leaves, and A finishes the work in 41 days more. How long would it have taken B to do the whole work alone ? 10. A has 7 r^x^off -hrX' '1 ^ — X — of H 9 times as much U-|ofJfx}, money as B, and together they have $495 ; how much money has A more than B ? 11. A vat, 45 ft. long, 16 ft. wide, and 2 ft., 6 in. deep, is filled with syrup ; what is it worth at $57.60 a puncheon 1 12. Find the net c^sh proceeds of the folio whig bill of produce, 8 per cent, being allowed otf for ready payment : ^ 76 bushels, 20 lbs. buckwheat at GO cents a bushel. 29 bushels, 12 lbs. wheat at 90 cents a bushel. 72 bushels, 16 lbs. barley at 03 cents a bushel 92 bushels, 24 lbs. millet at $1.72 a bushel. 53 bushels, 30 lbs. Hungarian at $2.40 a bushel. FOURTH CLASS. M 13. A circular reservoir, havint; a diameter of 98 rods, is half-full of water, and 8t)lti00'0ir)()26 gallons are admitted ; how much will it raise the surface of the water in the reservoir 7 id Exercise LXXXIII. 1. Of what does the L.C.M. and H.C.F. of any two numherH consist? The L. 0. M. of two numhers is 1194830, and their H.C.F. is 34138 ; one number is 2389(16 ; what is the other? 2. What is the difference lie^ween the simple aneting the church in question 4, with 45-inch carpeting, laid down lengthwise of the church, and costing $1.87 \ a yard ? 6. A rectangular field, whose length is to its breadth as 5! 4, con- tains 12 acres, 80 sq. rods. A stri]) 30 rods wide and running the length of the field, is sown with !• aley at a cost of $1.60 an acre, and the remainder is sown with wheat at a cost of $2.40 an acre. Find the entire cost of sowing the field. 7. A owned ^y of a lot, and was offered $1800 for ^ of his share. B bought the whole lot at this rate, and paid a year's back taxes amounting to 1^ per cent, of the value of the lot. Find B's total investment. 8. In a mixture of 50 gallons of liquid, the wine is 40 per cent, of the w^liole ; how much wine added will make the wine 90 pe'v cent, of the whole ? 9. Divide $270 among A, B and C, giving B J as much again aa A, and ^ as much again as B. H EZEUCISKS IV ARITHMETIC. 10. A grocer bought $000 wortli of tcti, nnd by using ft false weight gained |44 on tho salu of tho lot ; huw many ozs. did liu suU for alb.? 11. How often does ^ {^0J^'22{',)-Uh > x ^ lO^x i^jX^^xli y contain 1.')^ times 1§ ? 12. If horses and 4 oxen can consume the pasture on a field in 27 days, and 9 liorsos and 12 oxen can consume the pasture on the same tiold iu 12 days, coni[)aro tho appetite of tho horso witli that of tho ox. 13. When 1830 lbs. of hay sells for $10.47, what is hay per ton? Exercise LXXXIV. 1. Simplify: HlxHs^f ^• 2. Have ft certain sum of money of which I spend f + $5 ; then |^ of the reniaindor all but §5 ; I havo ihou left $10 ; find my money at first. 3. Reduce 144 lbs. avoirdupois to ozs. troy, and express the result as the fraction of 3C0 lbs., troy. 4. Sold I of ft ton of coal gjiining 8 per cent. ; what fraction of the coat did the | of a ton cost me ? 6. Bought 50 lbs. of tea and codee for SL4.G0, paying 40 cents for the tea anM 25 cents for the collee per lb. ; how many lbs. of each were in the mixture ? 0. Sold a pile of cord wood measnrinc; 80 f"et long, by feet hiu'h, getting $4.50 a cord for 10 cords of it, and $3.75 a cord for the rest; haw much did I get altogether for the pile ? 7. If 2000)1 ll)s. of sugar cost £402g, how much will f\ of a ton of sugar cost ? 8. Divide the L.C.M. of 1380, 1960 and 1380 by the H.C.F. of 1470, 4907 ftn i 507. 9. Divide $100 among A, B and C, so that B may have 1^ times as much as A, and C 1^ times as much as B. 18 10. Divide by IT 35 3 4i^ 3A 2^ 3A - of of 7 12^ llf 11. If f of a barrel of flour costs $1.12, what will two bags, one holding y^, and the other f ^ of a barrel, cost me ? FOURTH CLASS. 95 I" }D of 163 12. Twelve cnlvcs are equal in value to 4 goats, ami 2 calves equal to 4 pig.s, and 10 pigs co.->t $30; liucl thu vuluouf u cliuvo of 7 animals o( each kind. 13. Find the product of the sum and dijj'efence of 8 and U-lJ Exercise LXXXV. ke 1. Find the valuo of 5J yds. cloth at SjOd. a yard, 7| yds. lace at 7/8(1. yanl, and 8 qrs. 5 bushels wheat at 44/iSd. a quarter. 2. One hundred bushels of wheat ajul barley together cost $70.80 ; the wheat was 87 cents, and the barley was 00 cents a busliel ; how many bushels of each were there i 3. A fanner sows ^j^,l\ of an ounce of wheat to the square foot in sowing a rectangular held, 00 rods long l)y 80 rods wiile ; what does it cost him to sow the field when wluat is worth §1 u l»ushel ? 4. It costs $5.25 to sow a field, 40 rods long, with oats at 35 cents a bushel, putting on 2 bushels to the acre; how wide is the field? 5. A merchant mixes IG lbs, tea, at CO cents, with 14 lbs., at 50 cents a lb. ; at what rate per lb. must he sell it to gain 24^^ per ct.? 6. Divide $225 among A, li and C, so tliat B may have | as much again as A, and C may have J as much again as 13. 7. Find the simple interest on $470 for 6} years at 5 per cent, per annum. 8. The cost of building a tight hoard fence, 40 rods long, with inch-lumber, worth $10 a thousand, is $31). GO ; how liigh is the fence ? 9. A lady wishes to carpet a floor 20'8" x 18'G" with 30-inch carpet- ing worth 90 cents a yard, the strips to run lengthwise of the room and 4 inches per strip to be allowed for waste in cutting ; find the cost. 10. Express f of y^^ of a dollar as the fraction of £30 Sterling. 11. The gain at which an article is sold is 20%, and the sum of the gain, cost, and selling price is $108 ; find the cost price. 12. A merchant sold a s\iit of clothes for $54, gaining thereon ^ of the selling price ; find the cost of 13 dozen such suits. ] 3. A has 14 acres, 15 sq. rods, 8| sq. yds. of land, which ho sella at $22 an acre ; find his receipts. 96 KXKKCIHB8 IN AUITUMKTIC. Exercise LXXXVI. 1. A ctin do j^ of a pioco of work in 5 days, B can do j of th« remriindur in 10 days, and C can tinislj it in 4 days. A and IJ work togeblier ut it for 5 ilayu ; how long will it take C to finiH'i it alonol 2. Find the anioimfc of $450 for C57 days at 10 per cent, per annum, simple inturust. 3. If 5 men or 8 women or 12 boys can do a piece of work in 40 days, how long will it take 20 men, 9, women and 9 boys working together to do it ? 4. Find the total cost of ])ainling the outside of a box, (with lid), 4 ft. lonj;, 3 ft. wide and 4 fr. duoi), with paint at 18 cents a square yard, and of lining it inside with lead worth $4.50 a cwt., j^iven that 2 lbs., 4 ozs. of lead lines a 8(iuare foot of surface, and that the box is 90 per cent, as large inside as outside. 5. A boy harrows, lengthwise, a roctanc;ular field containing 15 acres ; if the field is (50 rods lon»j, an. I the liurrovv is 15 ft. wide, how far does the boy walk in going once over the field 7 6^ Simplify : V) -^ — of e^+iorj-?-? of J 7. Find the value of a mixture of 15 gallons of brandy, wine and whiskey, mixed in the ratio of 3 I 2 ; 1 respectively, when brandy is $8, wine $3, and v.hiskey fl. GO a gallon. 8. A produce dealer sells 16 cwt., 30 lbs flour at $2.60 a cwt., 4 tons, 150 lbs. hay at $12 a ton, 4 cwt. 42 lbs. oats at 33 cents a bushel, and 50 lbs. corn, at $8.86 a cwt. Find the cash receipts on the sale, there being 10 per cent, off for cash. 9. Show that '4 of an acre + '3 of a square rod + "45 of a square yard + 39*6 square inches—" '2 of 2 acres, 1 square rod, 17 square yards, 4 square feet, 108 square inclies. 10. A and B start together from M. and tj'avel directly east, A at 4 miles and B at 3 miles an hour. C starts, at the same moment, from N., 64 miles directly east of M., and travels icest at 2^ miles an hour. In how many hours will C be midway between A and B 1 11. Find the quotient of the L.C.M. and the H.C.F. of 444, 1480 and 1065. 12. By ' ow much does the sum of the following numbers exceed 2i their product ? — f» I. H> I o^ 1l!J» ~"» '^h 8| FOUUTU CLAUa. 9T I I If]. B lias son, which is 00 por cont. of C's motioy, which is 91 § pur cunt, uf D's. Find thu siun total uf thiur ni>>nuy. Exercise LXXXVIL 1. A cnn do a piece of work ftlone in 10 days, B in 12 days, and C in '20 days. A and iJ work toj^'utlor at it for 2 dayn ; then Bund C woik toj^'uther at it for li days ; utter which ull threu work toi,'t!ther at it until tiiu work is fniished ; how luui^ is tlio work iindir contract? 2. A mail rom-ivus ^37. HO per diy for workiti'^ 10 liours a day for 15 days ; wiiat is tlie unit oi work used in the coiii|iutution / 3. A, B aiitl C are joint owners of a rec^^uni^nlar piece of land, 70 cliuins h)ni( by 40 rods wide ; it has on it a standin^' crop of wheat estiuiated at 3r> bushi-ls per acre, C sells the land witli the crop as ib stands, receivi!i<^ ."JliOan acre for the laniland HO cents a bushel for the wheat. He retains 5 per cent, of the receipts for his coinniission as salesman, and the balance in then divided us 1.3*3;5, respuctivuly. Find each luan'a share. 4. A clothier buys 15 cases of roaly-made chT^liingof 20 suits each ; he sells § of the lot at an advance of 20 per cent, on cost, and the remainder at 30 per cent, discoinit. What is his gain or lo^s por cent, on the whole lot ? 5. A tank is ft'd by an inexhaustible supply of water which flows out thnniyh an openini^, 7 inches in diameter, at the rate of 10 miles an hour. ITow many barrels, gallons, pounds and ounces of water [lass through the o])ening every 15 minutes ? C. Nine bushels of rye and nine bushels of barley together cost $11.34 ; the rve cost 70 cents mort! for every 5 bushels than the barley ; find the value of each per bushel. 7. Simplify: 31-G-f042 •378 X 420 X 12| of (2i + i)-(3|-J) + -4V. iV J 8. Nine bells which toll at intervals of 3, 9, 12, 15, 18, 21, 24, 27 and 30 seconds respectively, all bi'gin tolling simultaneously with the hour of one o'clock, p.m., as struck by a clock which strikes the hours and half-hours. What o'clock is it when the bells all toll again simultaneously with the striking of the clock ? 9. In a bag of 341 marbles, Tom's share is to Will's as ■{ ^ of *of4}>-;noy as C, an I for uvory 84.50 tliat A has, IJ and toijuthor have $11. How much munuy lias each? Exercise LXXXVIIL 1. If 20 mon, .32 wonuMi or 40 hoys can do a pi(M!o of work in 16 days, how lung will it taku 11 niun, 24 women and 8 hoys to do it { 2. Divide the sum of i and i-i by their difference. 3. Divide $06. GO amonr; A, B and 0, so that A shall get twice as much as B, and as auoh as A and B together. 4. Find the cost of lathing tho walls and coiling of a room IC x 12' X 9', an allowance being made for ono door (>' x 3' and for two windows 5' x 3', the lath being worth 12^ cents a bunch. 6. The roof of a building is 40 feet long, and each side, from the eave to the ridge, 15 feet wide ; find the oost to shingle at $3.20 a thousand shingles. 6. It costs $720 to build a bridge at 18 cents a 8q|uare foot of surface; tho bridge is 13 ft., 4 inches wide ; how long is it ? 7. Find the value of the following crop : 16 acres, 120 square rods of oats, 19 acres, 100 square rods of wheat, and 10 acres, 76 square rods of barley ; the oats yielding CO bushels to tho acre, worth 36 cents a bushel, the wheat 45 biishels to the acre, worth $1.12 a bushel, and the barley 50 bushels to the acre, worth 56 cents a bushel. 8. Out of a cistern, containing 57 gallons of water, 14 pails were taken. If the pail held 2 gallons, 3 quarts, how much water (in gallons and quarts), still remained in the cistern ? 9. Gentlemen's neck-ties are bought at $3.50 a dozen, and Hold at 35 cents each. What is the gain on the sale of 300 such ties ? rOUKTtI CLASS. 99 10. If 839.12 wore paid for ft load of wlioat at 31.00 a bushel, liow many bushuls niu\ Wm. did tliu load contain / 11. Find thofn.dnotcf tho L.C.M. of 0, 12, 20, 24,54, 81, 03, 14, and tlio II.C.F. ot J)45, 840, aud lL'ii5. 12. Simplify: ^ i + !^ + l + ^ + ^, + ^„ ^ x i,A,-^ + ^,),. 13. Dividu V.VM) among A, Band 0, «o that for ovory !i:5 that A gets, B Hhall get iglO and C ;jjf8. i Exercise LXXXIX. 1. A man earns $040 a year and .spends 8400; how Ion-' will it take him to pay for a roctanguhir plot of grt)nnd, 40 hy 'M md.*, worth $80 an acre i 2. Find the net roceipt.s of the following hill, 6 per cent, hoing allowed oil' the face valuu tor cash : 13 hushols, 1 pock j^ra.ss-sood at !?C a bu.shel. 20 Ib.s., 1.") o/s. oheisso at §16 a cwt. 50 11)3. hay, lit .^18 a ton. 30 07.S. gold dust at !i<'J0O a lb. 51b.s. leadat .«!0.i:ia lb. 81 lbs. nails at $0.05 a lb. 3. Paid $22.50 for buckwheat at CO cents a bushel ; how many bushels and lbs. did I buy / 4. If $78.75 are paid for flour at $3.75 a barrel ; how many cwt. and lbs. are there ? 5. A soils land for $310.10 at $22 an acre ; how many acres, rods, yards, feet, and inches does he sell i 6. Divide $108 among A, B, and C, so that A shall have | as much as B, and that B shall have ^ as much as C. 7. A merchant sold velvet at $0.50, and lost thereby 7} per cent. ; find the cost price of the velvet per yard. 8. The cost price of a rectangular piece of land, 10 by 18 chains, was $4250. It was sold at $80 an acre ; find the gain on the wile of the land. 9. How often does the square of 890040 contain 873 x 441 -r- 03 / 10. Simplify : ■[ / ^ \ x \ - — - + f of | r ^x lAof ^ofuoiy u-i of ll 100 KXEUCIHRfl IN AUITIIMRTIC. f. II. Roiii^lit luMiiils fur ^.-jT-OO lit 3 crtifH (i «1m/.i|| ; if | of tliciii \V(iru Hold at tlic into of 'JO for Tt cents, wliiit did tliu huliiiicu Null for |ii)r do/A'ti, Ho HH to incur licit licr guiii nor [vhh i I'J. If II lo.iii of ^VrU) hrin^s in ^■l.'2iVfi inforcst h month, wimt in tho rutu per cent, ut wliidi tlic money ih luuiiud / 13. Fin(' tlio Mim of tlm thirr f|Motii'ntH urisintj from the diviHJon of tho L.C.M. vi ob04, 4biiO and 4*>.»'4 by each of tiio given numbers. Exercise XO. |~-7 + i| X L\ X 1^) + S + ir»i?.^ 1. 1 2. Find tho L. C. M. of (a) 4(1'-', 5:i4, 023, r,93, 728 ami 930 ; and 3. A certain niiinhiir of lbs. of cotlee cost J?32. It was hoM a<^ain at 62 centM u 11*., giving u piolit of 30% ; iiud thu nuiubur of puundN bought. 4. TiiO amount of a curtain 8um at interest for 8 years at U pur cent, is $404.40 ; find the sum. 5. An article is soM at 12\ per cent, advance on tho cost i)rico, mntH ; linw iiiiuiy dn/.m sold will pt'udiico u i^Min of 91 05 '/ 5. Urown's fmiii cntisists of 10 uniform, rm't.inv'nlar Molds, oai'h 53]^ roil.s long by 31) rods wido ; how in.iny acro.sof i.md has lirown/ rt. Simplify r>iof 4^-2|of 3 h r2iu ) 1 7. Dividt^ ^1200 umojiif A, R nud C, so Miit "R shall roocivo " an much as A, and that C «hiill rccnivo I as niiH'h us \\. 8. A morchant bou'jflit .suj^ar at .Sir)0 a ton, and sohl it out ftt 4 lbs. for 33 cents ; find his gain por cent. 9. A room, 31 \ foot lonpf and 15 foot, iiichos wido, will ro(]uiro how much lo.>s than 100 s(|uaro yards of cnrpot to cover its floor? "0. How often does tho L.O.M. of 2, 4, 21, 3C, 46, 91 and 180 contain tho H.C.F. of 5(542 and 74G2? 11. When tho minute hand has travelled 330® on the dial-plate of a clock since 3 o'clock p.m., what time is it ( V 12. Find the L.CM. and tiio H.C.F. of tho following numbers f\y rcsolcvK) each of thom into its prime factors, and thon selecting the L.CM. and H.C.F. from those factors : T.'idO, 8820, and 44100. 13. (rt) Tom's age 5 years ago is to his age 3 yoars hence as 2; 3. How old is Tom now ? (/>) A owos a grocery bill of $750.00, pay- able in 3 months. What sum should A now put out at interest so that the sum, together with the interest thereon at 8 per cent., shall exactly meet the bill ? 102 BIRRCISRS IN AUlTUUKTia Exorolae XCIL 1. If 613.50 buy il uf a tun uf tlax. what fraction of a ton will $30 hny ? 2. A piiioo of I.ukI (v><«f h $ IOSO .it $80 un aero ; it is 20 chains -^0 links wiilu, how h>n.( in it in ri»tU / M. I tow iimuy '2\ innh riihoH c;i?j hn rut o>it of A block of ntonn 6 ft loii'^, 'l fi't't, 1.^ inohitu wiilu, nuA 10 iiichoM iloop ? 4. 'I'hf r(Mimiii(1<>r, 9, ia f of thu divisor And } of thu quotlonfc ; wliiit is Lhi) (livhltMnl f 5. Fiii.l tho I.e. INT of: (m) 4, 'JH. HJ. 72. on and 108. (/>) 8, 1>, L'T.^ii, .'U>, 45muir)2. 0, Thu cost to fonouH road on both nidei, at 15 oontsA rod| is f28.SO.()t). How many iiiihi.s lonu iH it? 7. At what rate, in milos and roiU per hour, will C2 miles, 200 rods 1)0 tnivtllrd ovor in hours, HJ mimitfs, 40 Hocond.s ? 8. Divi.lo tho L.C.M. of 18, 48, 04, 72, 28, 00, 132 and 244 by the II.C.F. uf 275781 and 27<1025. 0. Find t]\t) t.ot.;vl cost of : 32 tons. 000 lbs. middlinp's at Si 5 a ton. 7044 Ih.s. b.-irli'y atoli cunts a bushol. 10. A p(M-.sMn hi>ii;ht 4 bii.shol.s, 12 p[.illons of whoat at 2cnntsa lb. and 5 bushols and a oiTtaiii niiinhor of piUons of oats at con>ji a II !ck, payiii'4 for the whoht ^\). 12. ilow many gallons uf oats did he my altogothur ? 11. Whoii 20 lbs. of potatoes cost 25 cents, what is tho value of 76 bti.sliols ? 12. Divide tho L.C.M. of 21, 42, 18, 36, 9, 46, 180, 90 and 040 by tho G.C.M. of 3232 and 1952. 13. Sirjplify-{ ^g + JJ + ,itj + |f-?3)x U(48Jx9). Exercise XCIII. 1. If six score is a "lojijr" hundred, how many dozen herrings are there in 132 b(/\os of 2 " hmtj" hnndrods each? 2. Simplify : ^ga-ll)of8xUH-6U 81^31 of 1 + 5 + U + H 12x4 rOURTll CLAHH 103 130 40 ft, t} )0 a e 3. If 40 rnili of h tologrA|)h lino cost $00, fltid tho valu* of 40 AilluM of tltu Nuiito lino. 4. It cowtN 91R-) t'> fi^<^ cuntM a IhihIu'I, •)'.'(;() |ioiinrt. 0. Find thu cost of paperinj? a room 40' 2" hy 10' 4" with paper worth 05 cunts u single roll, uU iwing, fur windowtt and doorH, 9 ■ti-ijiN. 10. Wluit will it co«t to paper tho walls of an opera h«ins»>, flO'x 40', with p:i|i('r worth 81.(10 a donl>io roll, allowing fur 1.3 windows, each 4' wide and 3 door.s oadi 8' wide, iho coiliiij.? being :J7j'nt hiyhf 11. Find the cost of carpotincif tho opera house, in qiustion 10, with 45 inch wido carpeting at $1.20u yoi'd, thu HtripH tu run length- wise ot the house. 12. Find tho cost of itapcrinif ft room 70 by 30 feet, with paper wortli 85 cents a double roll, allowing 14 strips for windows and duors. 13. Have a certain sum of which I spend ^^+82, then \ reiiiuin- der + $3; after which I have still left $3. iluw much was tlte original sum ? Exercise XOIV. 1. Sold 80 yards cotton at 12 cents a yard, gaining | of the sell- ing price : Show that 20 per cent of tho number of yards at cost price is equal to the gain at which the cotton wa.s sold. 2. Find tho sum of all the odd numbers from 781 to 797, in- clusive. 3. A, B and C can do a work in ISJ^ff days working together. A and B together can do it in 24 days. In what time can C do it aluno 7 : ^•'^ ii KXEKC18E» IN AUllilMETlC. 4. A merclmnfc buys 640 yards of cloth at 80 cents a yard. He Bells ^ of it at V2^% advaticu on cost, and the rest at 10% advance on cost ; find his entire gain. 5. Simplify: 4< - Hof^\ X 7J }- of lif Vof lllBhUling8,Sterlmg, * X § of U and reduce the result to dollars and cents. 6. A rectangular farm contains ^ of a square mile of land. It is 93J chains long ; how many rods wide is it ? 7. A house and lot toLjether cost 8^90, and the house cost 25% more than the lot ; Hnd the cost of each. 8. A merchant sold 3 tons, 120 lbs. of yarn in 7-lb. and 10-lb. packages, selling an equal number of each, and getting IS»37.50 a dozen for the larger packai;;es, and $27 50ad(»:^en for the smaller packages. How mucli did he receive for the yarn ? 9. A pile of 20-inch wood, 80 feet long, and 4 ft. 6 in. high, is Bold at $2.40 a cord ; fiiid the receipts for wood. 10. Find the total value of 15 bushels 12 lbs. wheat at $1.20 a bushel, 16 gallons })ea3 at 7') cents a bushel, 24 pounds of potatoes at 35 cents a busiiel, and 72 pints of rye at 72 cents a bushel. 11. The amount of a certain sum of money for 5 years, at 9 per cent., is ^263.90 ; find the sum. 12. Multiply the difference between 67x85 and 50 (07 +85) by -{ (896 times 987)4-141 )-, 13. (o) Find the product of the sum and 20% of the sum of 402 and 63. Divide the product thus obtained by 156^ ■ 22H ^ of m|. (&) In 1892 a merchant's profits were ^ of his receipts. At what rate per cent, profit were his goods marked 1 Exercise XCV. 1 . On what sum is the interest for 8 years at 5 per cent, equal to the interest on $202.50 for 20 years, at 4 per cent. ? 2. If ^ of a number plus 3 is equal to ^i; ot the same number filiis 8, what is the number ? FOURTH CLASS. 105 lal >er 3. (a) What iimst we do ^vith fractiona before we can compare tliem ? (b) liy Iiow mucli docs tlie (jreatest of tho fnllowinj; frnc- tions exceed the least •''-iVsj iU *"^^^ i^j* (0 AiTungo them in order of iiiiigiiitudc. 4. Tho (jnotient is 10 times the divisor, and tho latter is 17 times tho remainder, and the .sun of tho three i.s UliHO ; find tho dividend. 5. The snm of 82')0t is divicUul amon*^ A, B and C, so th.it B shall receive 5 times as much as A, ami that G shall receive 7 times as much as A and B together. lIow many times A's money is B's and C's together ? 6. Tho amount of $021 for 9 years is $900.45 ; find the yearhj rate of intfrest. 7. On S")12, $7 10.. SO is due at the end of a certain time at 5 per cent, per annum ; find the time. 8. When 60 tons, 870 lbs (jf hay sold for $!)0C.9G, what was hay per ton ? 9. A farmer sold tubs of butt(!r of 30 lbs. each at 30 cents a lb., and 50 dozon eggs at 37A cents a dozen ; he then bought with tho money, 93 lbs., ^^ of an oz. butter ; what was butter per lb. ? 10. One man travels 10 miles, 120 rods per hour for 8 hours a day, and another man travels 140 miles, 30 rods per day. How much longer will it take one man than the other to complete a jour- ney of 5S7273 miles, counting days to a week ? 11. Find the square of the sum of all the odd numbers between 780 and 798. 12. Sold fifty-four dolhirs' worth of eggs at 10 cents a dozen ; if I had bought the eggs at 9 for 10 cents, find my loss. 13. (a) What is the total amount of the following bill : 72 dozen fish at 3 for 5 cents ; 21 oranres at 20 cents a dozen ; 114 lbs. sugar at 19 11)8. for a dollar. (6) What is the balance due on a note for $250 at C per cent, interest for two years, on which a partial payment of $05 is made every six months '( Exercise XCVI. 1. What is 25 ])er cent, of $640 ? Invest it in oranges at 3 for ten cents, and find the number of dozens b;)Ught. 2. Three -fourths of a dollar is what fraction of 340 cents? 3. A boy takes 5420 steps in going from X to Y. If 6 steps are equal to one rod, how many miles, rods, yards, feet and inches is it from X to Y? 106 EXERCISES IN ARITHMETia 4. Forty per confc. of a barrel of 9fi dozens of egj»s was sold at 3 fur 10 cunts, and the re»t at 15 cents a dozen. Find receipts. 5. If 13 dozens suits of clothes cost $7488, and the selling price of a suit is $54, find the <;uin per cunt. 6. If 5 lbs. tea at 78 cents a lb. be mixed with 8 lbs. at 65 cents II lb. and the mixture be sold ut 80 cents a lb., find the gain per cent. 7. Cloth, which cost $1.00 a yard, is marked 40 per cent, below cost ; find the soiling price of 700 yards. 8. Subtract ^f + ii + i'j + A + T^'^fy) from 3 J, and multiply the difference by 342J^ ; then, divide the product by 84^^. 9. Arrange in order of magnitude : f, gg, f j^ and J. 10. Simplify : 15 2Jx7^x^ •} 11. Find the intermediate fraction between ff J} and ||^, whose denominator is 2613. 12. By how much does a barrel of wator exceed a barrel of fish in weight ? 13. (a) A stationer bought 20 bales of paper at $20 a bale; he then sold it again at 12^ cents a quire ; find the gain per cent. (b) How much tea at 30 cents a lb. must I mix with 18 lbs. at 45 cents a lb. iu order to produce a mixture of tea worth 39 cents a lb? Exercise XCVII. 1. In going from A toB a man takes 5,400 steps, each 2 feet 3i inches long. How many miles, rods, yards, feet and inches does he travel ? 2. Divide 3 acres, 240 square rods by 2 square feet, 36 sq. inches. 3. At 20 cents a rod, it costs $92.40 to enclose a circular plot of ground with a fence ; find the value of the plot at $3.20 an acre. 4. Divide $7098 among A, B and C in the proportion of 2, 6 and 7. 6. A boy has 91 coins in his purse, made up of 5-cent, 10-cent and 25-cent pieces. He has twice as many 1 0's as 25*8, and 5 times as many 5's as lO's. How much money has he ? rouRTo CLASai 107 fl. A rectfingnlar farm is 50 chains loncf by 50 rods wirle ; a strip 40 rods in width is sold otl' tlie entire Icnyth of the fjiiiii. (a) How many acres and sc|uaro rods jire sold ? (6) Wliat is the remainder of the farm worLli at ^05 an acre I 7. Find the value land at $(>9 an acre. •■{ lllH-^ofA 74| ofisjof a square mile of 8. Find the cost of 29 lbs., 0}i of an ounce of tea at 60c. a Ib.f and 45 ll)S., 2 02:3. butter at 20c. a lb. 9. If $3i;0 amounts to $1101 in 6 years, at what rate per cent per annum is it loaned ? 10. Find the value of 29040x30405-100002045-^-0031. 11. A can walk 3 miles an liour, and starts on a journey at G.30 a.m. B starts 2 liours, 45 minut«^s, afterwards for thu Maine place, and along the same road, and they, together, arrive at their destination at 4.45 p.m. How fast did B walk per hour, if they both stopped 1 hour, 30 minutes for dinner ? 12. Find the value of ^ of 2 pecks of beans at $3 a bushel, /t- (4 4 quarts of onions at i;^0 a bushel, ^V of 8 gallons of beets at $1.80 a bushel, and 7 lbs. of potatoes at 23j cents a lb. 13. A can do a work in 5 days, B in 6 days, and C in 15 days. They work together at the work until it is finished. If $13.20 is paid for the work, find each man's share. 6 nt 169 Exercise XCVIII. 1. Find the total cost of 16 bush., 18 lbs. peas at 70 cents a bushel, 42 lbs., 12 ozs. butter at 28 cents a lb., 13 bush., 15 lbs. par- snips at 36 cents a bushel, and 6 bush. , 40 lbs. onions at 90 cents h bushel. 2. Simplify: r3fX9 ^-(Hi)l ^_ — _^ Uif L f ot 4 _ 7 "ft T F ^13. 3. Divide ^609 between John and Robert, giving .John (3f § x 2^1 X i^j X 2^^) times as much as Robert, 4. Had a certain sum of money of wliich I gave away $3 more than I; then $1 more than /y of the remainder; then $5 less than f of what now remained ; after which I had still left $15. How much money had I at first ? log R1BKCISR8 \S ARITIIMETIO. 5. A farmer soils 40 i,'oe.so and a certain nmnl)er of turkeys at the average price of U() cciitH each. Ho reroivcs 75 cciitH each for tlio gecHu, and $1.20 each for the turkeys. How many turkeys does lie sell / 0. A merchant buys CO wobs of cotton of 42 yards each at cents a yard ; he then sells \ of it at 25 |»er cent, atlvanco on cost and the rest at 8 cents a yard ; lind his total gain on the sixty wubs. 7. A sj)eculator bought 5 acres of land on the confines of a city at^lOO an acre. Ho divided it into lots, each 12 rods long and 2 rods, 3 yards, 2 feet wide. He then sold the lots at $75 each ; tind his gain, if it cost .^75 to survey the lots. r 3,Vx§xlixf 113x81 8. Simplify : -^ x LC,-Vof l2%of Klflof I 14 9. Find the , 252; incre.ise it by 30 and divide the result by the L.C.M. of 13, 39, 12 and 78. 13. The amount of a certain siim for 5 years* at 6 percent, simple interest is $191.10; tind the sum. Exercise XCIX. 1. Simplify : 7i + 6HlA 1 riV + 7'o+3'*(I vn-^'^h-ii) Ux§xSx2t. 2. A man owns ^ of a potato plot, and B the rest, and \ of the difference between their shares is 42 bushels, 2 pks. Find the value of the potatoes in the plot at GO cents a bag. 3. When 28C0 lbs. of hay sells for U1.44,, what is hay per ton ? 4. Find the L.C M. and G CM. of (7-iJ-r4i-V) and (14^4-9^1). 5. How many s<][uare rods in | of '1 of an acre 9 FOURTH OLABS. 109 |l? fi. If $133 gives 5 per cent, giun, what is the gain per cent, at 1158} ? 7. Dividt! 8510 among A, B and C, giving B half as much as C, and A I as much as B. 8. It takes A and li 1^ days to mow a certain field. A alone can mow it in 4 days. How long will it talvo B alone to do it ? 9. It reqiiiri'd 3.5n424 sods, o.ich 2 ft, .*»), inches long by 8} inches bi'oiid, to tiiif a Curtain lot ; tind the size of the lot in acfes. 10. Tlio amount of a certain sum for a certain time at 7 per C(!nt. is 8508.20, and the amount of the same sum for the same time at 12 per cent, is $571.20 ; tiud ihu .sum and the time. 11. If 20 boys or 15 men can do n work in 19 days, in how many days could 24 boys and 20 men do it ? 12. Find the cost of p.ipering tht; walls, and painting the ceilings of a room 30 ft. 2 in. by 24 ft., 4 in., there being 3 doors, each 3 ft. wide, 6 windows, each 2 ft., 8 in. wide, the papur costing 8 cents a single roll, and the painting 18 cents for every g of a sq. yard. 13. Find the amount of the following bill of goods : 24 yards, 9 inches carpeting at 80 cents a yard, 62 yards, 2 feet car[)eting at 1)0 cents a yard. 3G yards, 2 ft., G inches linen at 30 cents a yard. 73 yards, 4 inches hump carpet at 18 cents a yard. Exercise 0. 1. Find the greatest factor common to 209 and 312 and the least number into which they will each divide withojit a remainder. 2. At 3 J cents a square yard for material and labor to hang, what will it cost to employ a paper-hanger to hang 5'J double rolls of Canadian wall-paper, each roll IG yards long ami 21 inches wide? 3. Using the 'iii.e it iu 12 hours. Out of 80 paid for tho work, what is tho sharo of ouch, whon tiioy all work toguther at it? 6. When tho sum of 8500 amounts to 8710 in 7 years, what is tho rate per cent., pi;r aunnum, at which it is loaned 'I 7. (n) Draw a note for 8205 at nine months payable by yourself to A. T. Moody or order and bearing interest at 5 per cent, per annam. {h) B does H as mueli work as A when they woik to-j^ethcr, and they both together take 2'i days to do a piece of work. Ilow long would it take each one win-king alone to do it? 8. A man spent \ of his inoncy + 810 and ho then lacked 820 of having tho half of his money left. How much money had he at first ? 9. I bought goods for 8240, and sold them again at 15 per cent, advance on cost. What did I get for the' goods / 10. When 16 ILs. of tea cost !?G.80, what is the value of ^^^ ozs. of tea ? 11. When 18 bushels of wheat cost 815.93 more than 18 lbs. of vvlieat, what is wheat per bushel ? 12. If f of A's money=§ of B's in a purse of 8132, find the share of each. 13. If 10 caps are exchanged for 25 hats, what per cent, are caps dearer than hats ? hat at at at Idid Exercise OIL 1. Bought 45 bushels, 2 pks., 1 gal. wheat for 847.45, and sold 16 bushels, 1 peck, 3 qts. of it for 820.92. Find my gain per bushel on all I sold. 2. Find the L.C.M. and H.C.F of 130^ 7| xlU x tI x4A )- and Jof ^16§xl|x2^x6Ax22|.. 1 1 112< KXKKCIUKN IN AKII'llMKTIC. 3. A nnd B rent a pnstiirc for 9fi2. A puts in 10 oown for 4 montliM, unci B a certain numlHr for & nioiitliH ; B payn ^bO ol the rent; huw nmny cuvvs hu turn over in that time if his plow cutn u 14-incli furrow, and his team truveU 2A miles an hour, an allowance bein;4 nuule of 1^ niinutcH every time in turning' aro\ind '/ fi. Flour sold at S0.80 a barnd gave a profit of 42^ percent.; find the cost of the Hour pur cwt. 7. What is tlio name of the Rule by whi(;li "ire fdJcr ane nvmher as man 1 1 tivics (tx tlnttr are imUs in <. 113 28 (d •I. If >\ ^iiiiu-a he worth l?.">. 1 1 , :in2.3i> to yain 10 per cent, hy the transiictionl :;. 9. A rectanjjjnlar <,'ra veiled plot is 12 yards, 3 feet, G inclie» long hy ,i yards, 1 foot, !) inches wide. I*'ind its area. ' 10. Simplify: (a) 'Sf 2;{8 + j;,«/^ ; and (6) -238-?- -701, givinj? the results in vidgar frictions. 11. If (> lbs. of tea are wortli us much as 20 Ihs. of cofFoe, and 2 Ihs. of cotroe are worth 4 ll)s of rice, and 8 l])3. of rice are worth 6 lbs. of l)utter, what is hutter a Ih., when 50 lbs. of the tea soil for ^3. 75? 12. (a) A wood dealer buys wood at $3.50 ft conl. At what price ])er C'>rd must he sell it in order to realize a profit of 20 per cent., after allowing 12\ per cent, of his .sales us worthless ? (b) A urcjcer buys sugar at 4 cents a pound. Allowing liiij per cent, of all the sugar bought for loss by waste and through shrinkage in weight, hovv many lbs. must he sell for the dollar to ensure a gain of 25 per uont, 1 d\-^2;\ ( 15| ^ 13. Simplify (a) . x 38 ; (6) { — + -IG ^ x 7. 7ixl-2G ( 2i J Fxerciee CIV. 1. On a certain day an egg-merchant bought eggs at 25 cents a score, and sold them again at 20 cenis a dozen, thereby clearing $40.50 ; how many dozen did he handle that day ? 2. A man took a cargo of apj)les in his boat from Annapolis to Dii,'by. Tho boat held 75 barrels and 3^ bushels each. Find the weight of hlB cargo in tons and lbs., if each barrel weighed 18 Iba 114 BXKROISEil IN ARITOMRTia 3. Closfiify : (a) 23 ; nnd (b) ^ of nn inch. 4. A nmn takos 100 sfo|m pnr mimito, each wtop boincf 2 ft. 9 in. long on thu uvuni^'u. How lon;^ will it tuku him to wulk 3U miloH, 80ru. Miiko out, noatly and corrc»cHy, tho following hill, and fln«l tho totjil junouMt, of It : May 1st, l^'.Kl, A. H. IUuiih & Co , Ihirn Hide, Kold to.Fnliii A. Ilnico, .'{'J 1)uh!ju1h A0\\ ll)s. wheat at (»2j| cents a hiishul ; 4'i() lo.s. hiirloy at .'17;. cont.s a l)ii.sliid ; 2 pucks, 'A Ih.s , l ozH. ryo at Hi cents u hu.Mhul ; 17 owt., 05 lbs., 10^^ oza. flour ut $1.80 ucwt. Write receipt for payniunt in full. May 13th, 1893. 6. Divide 4 acres, 10 stjuaro rods hy 27, usin'^ factors, and no reduction before boj^inning the operation of dividing. 7. A sum of money is made up of 4 times as many crowns ua shilHngs, and there uro 75 coins in all. What is thu sum ? 8. Tun percent, of a coitain sum of money increased by $21 is equal to ^ of GiJij per cunn. of the sum. Find t'.j sum. 9. Find tho cost of carpetini^ a hall-way, 40 feet long and 7 feet wide, witlk 30 inch carpeting, laid len<4tliwise of the room, and wortii 76 cents a yard, allowin'4 4 inches per strip for waste in matching. 10. A field, 20 rods loii'.,' by 10 rods wide, is bordered by orna- mental trees, set 11 feet apart and worth 15 cunts each, the tree' being included in tlu' area of the Held. It is suiroutuled also by a ditch 7 ft. wide and 3 ft. deep (tin; ditch being no part of tho area of tho Held) at a cost of 4.|sct;ntsa cubic yard to excavate. Find the total cost of the property (including improvements) land being worth $70 an acre. 11. A and B own a farm of 320 acres which they have rented. Of tho rent, A gets 50 per oon*^, .md B 40 per cent., tho rest going for tivxes. A's share is i-^iS more than B's. Find the amount of the rental per acre, and tho number of acres B owns. 12. Two men, A and B, hire a boat for $2.80, to go from X. to Y. and return. One-third of tho way to Y. thoy take in C, who agrees to share the expenses fairly for the distance ho goes. C. gets off at Y., paying his share of the fare, and A and B return to X. How much does C pay ? 13. Find the amount of $4451 }^} at simple interest for 8 months at *< per cent, per annum. rOUKTII CLAM. lib Bxeroise OV. 1. A, B »nd undurtako A j(»b()f work, for whirh tho ■um of 914.40 ia tu 1)1) piu tlnyH, H in 7^ diiyH, ftnd C in 1) diiys. Tlmy ull wuik togotlu-r .ii, it for 1| tl.iys, wlion H and C luiive, and A UniHhos it ulonu. liind ah iiuporinl gnlloti contnini 277*274 ciihio indues, how niuny tons of wuttir wonMu Uink, 48 foot long, fuut widu nml 4 fiiot doup, Ixld 1 3. A boIIh u wutch to B nt u lo8S of 20 por cent. ; B tlion hoIIh it to for 16(2(3.88, i^.iining thort'l»y 5 \wr oont. Find what tliti watch cost A. 4. On January lst,l802,a dopositor pl.itrd in tho S/ivln-^'s' B/mk 3202.00. On May LMith, 18!)2, ho withdrow tliu diipusit witli intorust at thu rate of 4 pur cunt, pur annum, \\ hat amount diil ho with- draw ? 6. A has £40, lOsh. Sterling', B has £20, 18sh., Od., Halifax currency, C has 7oO Vork fshillin^'s. How many dollars and cents has A more than B and C toguthur i C. A has $44.97, B KH York shilling's, C £10, 48., (Id., Halifax currency, and L) £1.'), i8s., Stt'rlin>4. Tluy put their money t(»j,'etlior and buy orjiumuntal trees at 75 cents uuch. Huw many do ihuy yut? of lill I +12iV 7. Simplify : J in-n i-f 8. The followinfj rpicstion is given nt i'n examination : ** How often have 1 /[ nf aceiit in £21, 15.s.. Od.'W A works it, usint^ Halifax currt-ncy, and B works it, using (Sterling money. What i.s thu ditl'urencu in their answers ? 0. A can row a mile in 20 nnnutos, B in 15 minutes, C in 13 minutes, 20 seconds, and D in 12 niinuten n-spectively. If tlioy all start from tho pier at tho same timi; and row directly out into tho lake, how far must each go, so that returning they may ull reach the pier again together? 10. " Multiplication is the i)roccs3 of taking one number as an addend as many times as there are units in anorlier." (o) Wliat is the one numlter, here referred t(j, called i (/;) What is the otlier called? (c) When is this true, if we interchange thu ' uml)ers ? ((/) Take two numbers and prove this rule, (e) Indicato tho multi- plication of *^iiix times stutn." 116 BZBKOIIU IN AUlTltMKTia 11. If tliu aum of '7, '27 and 'hj of * nuinhor b« 3070, w)i»t it tho numl)or 7 12. A mull HoM <;r)() harnUof upjilff for 8<»<57.^0, tli<'r>'hy cli>nrin({ r> por cent, "f tliu Cost. If lio |)niil si u liurri>l t-ir thu Nortlutrii Spu*M, uiiil IN) ccntit u l>iiirt!l for tlni IMiodu iMluitd (iiueiiiiigii, liow iiiuiiy hiinoU of vai'li did ti«i lniy niid Null / 13. Whttt (lucinml part of } ui u Nqimro rod i« 121 itqiiaro iiichuNt I Exorcise CVI. 1. (a) Dividci Mio aum of 7n!W x 210;i mid HVM x HfiOl by 2.110 by nhnrt division, nnuig «// /Ac ititlm-.i of tin- divisor (/<) Find tliu contimi. d pioilncfc of : ('.irtMH : 7H) (rM<>'.>74 - 44G -I- 1472) (i(U>uu2!>270-T-4r.»i728;;) (4:ni;!r)i7:{ '••i : 7;{m215). 2. H(.w much in •{ (087 i:m -2^11) 4- (7<1847."»-7 + 12) ).-f-4«2? In dividinff uhu (a) loiii; division, and (h) hliorl division liy uli tliu fncturn unci uxplmn oiitli fmitinl ronrdndDr. 3. A, B und C di<.' a dniin for which tiny, toj^utlier, receive ^*X\. A work« lit it for 7i il.iyM und ili'^'s tiO rods. It works ut it U8 iiiuiiv duyH us A d'v^H rods por (\iiy, und (' works us muny (hiys us A nud B together. If tlicyuU work iiniformly, und urc nuul uccordii g to the niunber of rods euch dig' what is ituch iiiiiHH sliure of the receipts ? 4. A nwin, by his will, left his property, whit h wus then vulm-d at 016,3o .«.r;rij;, /„„ , ,h.,. h,. pf y,^ fuUuwing J 21J II.M. at 72 c.nfH ft lb. lO.i II.H. 5t 46 CIMlU A lb. 8.^ IbH. Ht .'15 ntH 11 lb. 20,S Urn. HtnOcont-iftlb. 6j"o Ibi. lit lL'«l,"„"o cntM/i lb. 11. On » cortmnday.u nM-rdiant gained |13 by biiyini^ effvs At 10 c«nt« A do/,., uiul M.liinj^ tlu-ni u^mjh at 50 ouuU a Moro. Uu^r many U<)Z«tn i.f ok^m did liw hiindio that day 1 12. Simplify: 2i -fJI of g-f-^o^ of ft x iJ. 13. If ^ of a lb. of t.A l)« worth 22 ccntM more than 40 por o«nL ol A lb., what would bo the \uluo of 70 lbs. of ihuiamettial FIFTH CLASS. Exercise I. 1, The product of two numbers is 324, nnd their qfiotient is 9 ; find the nuniburs. 2. What will it cost to paint the outside walls and both floors of a two-storey cottayo, 30 feet, in. long, 26 feet, (> in. wide, and 18 foet high, at 15 couts a s(iuare yard, the walls to be 15 inches thick and no allowance boing made for cornices, partitions or openiugs ] 3. Simplify 51 of 71 n n of 4-j 1 3+- 3i + 1 'I of 31^ 4. Friid gave away 812.60, and had still /^ of his money left ; how many jjuirs of ducks at 34 cents a puir could he have bought with his money before he gave any of it away 1 5. A river is 10 feet deep and 125 feet wide, and flows at the rate of 5 miles an hour ; how many tons and lbs. of water will tiow, over a fall t)n it, every minute 'i (). Bontrht 8 lbs. tea at 50 cents, 15 lbs. at 58 cents, and 28 lbs. at 05 cents ; mixed it together and sold it so as to gain 50 per cent. At what rate ])er lb. was the mixture sold ? 7. The sum of the cost, gain, and selling price, of an article is $00. and the gain at wliieh it was sold is 12^ per cent. ; find the sellimj prica of the article. 8. If Ifi men can split a pile of wood in 10 days, how many men could split /uu/' times as nuich wood in one-third of the time I 9. A rectangular field, 180 rods long and 8 chainr? wide, is rented for one year for 372. Seven acres of it are sown to wheat, yielding 30 bushels j)er acre, worth $1.08 a bushel ; 18 acres to oats, yielding 70 bushels I'er acre, worth 40 cunts a bushel ; and the rest to barley, yieliling (iO bushels per acre, v.'orth 05 cents a bushel. AN'hat is the net gain on the entire crop, if it costs $87.80 to market it ? 118 FIFTH CLAM. 119 10. How fast is a locoinotivu running when the truck wheel, which is 2{^ fcot in diameter, makes, every 3 minutos, 440 turns more than the driving-whoel, which is of^ feet in diameter? 11. B paid $57.00 for 29 lbs. of tea ; what wa.s that for every 4 J ounces ? 12. Find the L.C.M. and H.C.F. of (19}|-r7|) and (8/5 x 1^). 13. How often does the L.C.M. of (7i-^8^) and (lin-ij^) contain their H.C.F. ? Exercise II. 1. How fast is an engine runnini^ per hour, when the truck wheel which is 2^^ feet in diameter, turns 330 times a minute more than tlie driving wheel, which is b-^j^ feet in diameter ? 2. How many cubic feet of iron are required for 3 water-pipes, each 30 inches in diameter and 24 feet long, tlie iron being 2 inclies thick ? 3. A spent § of his money on Tuesday, ^ of the remainder on Wednesday, and f of what he had then left on Thursday ; after which he had $72. How much money had he at first ? 4. Divide $142 among A, B and C, in tlie proportion of ^, ^, ^. 5. The distance between two towns is 840 miles, and is represented on a certain map by 1 ft. 9 inches. Find the distance between two places, if the distance between them on the same map is 3*6 inches. 6. Bought 200 bushels wheat for $173.50, part at 90 cents and the rest at 85 cents a bushel. How many bushels at each rate did I buy ? 7. A can do a work in 12 days, and B in 20 days, (a) How long will it take both, working together, to do it ? (b) After A has worked alone at it for 3 days, how long will it take B, alone, to finish it ? (c) If A's w.iges are $3.25 a day, and B'sare $4.25 a day, how much more does the work cost when A works 3 days and B finishes, than when both work together at it ? 8. Rode to town at the rate of G miles an hour, and walked back at the rate of 4 miles an hour, which occupied mo 5 hours ; how far is it to town ? 9. A has < "--T" + 5 of I -r ^ - ^»5 V times as much money as B, who has half as much as C, who has | as much as D, and altogether they have $380 ; how much money has each ) 120 LIXKHCISES IN AUiTUMttTlC. 10. A can do a piece of work in 15 days, and B in 26 dn.yn^ A works alone at it for 3 days, then B works nlone at it for 6 days, after which they I'oth together tiuish the work ; how long was the work under contract ? 11. Bought 120 bushels wheat for $87, part at 60 cents and the rest at 80 cents a bushel; how many bushels at each price did I buy? 12. A man throw 20% oflf the price of a horse ; then, 15% oflf that again : the next day, he sold another horse of the same value, at the same selling price as the former ; what per cent, did he throw oflf the latter horse ? 13. Simplify: 20 |-ofi,ii-Hia| ^of4J -fjcflif-ijl Exercise III. 1. Find the net cash value of bill of merchandise, 8 per cent boing allowed oflf for cash : 76 bushels 20 lbs. buckwheat at 60 cents a bushel 29 bushels 12 lbs. wheat at 90 cents a bushel. 72 bushels 16 lbs. barley at G3 cents a bushel. 92 bushels 24 IbH. millet at 172 cents a bushel. 53 bushels 30 ll>s. Hungarian at 240 cents a bushel. 2. Sold a pile of 20-inch wood at $1.45 a cord ; the pile was 80 feet long and feet high. Received in payment $11. 25 in cash, and the balance in potatoes at 35 cents a bag ; how many bushels did I receive? 3. Bought 40 tons coal at $4.32 per *' long ton" and sold the whole again at $4.25 per *^ short ton"; find my gain. 4. Four-sevenths of a ton of hay cost $28, and ^ of 2§ tons of such hay are exchanged for 7 sheep ; what are sheep a head ? 5. If § of a irross of brooms cost $18.90, how many broomjs should be given for 5^ dozen eggs at 3 for 5 ?ents ? 6. Two-sevenths of the vinegar in a cask leaked out, and it was then found to contain 9 gallons more than ^ of the original quan- tity when full ; find the size of the cask. 7. A, B and C can do a certain work in 4^^ hours. A and B can do it in 6<^ hours. In what time can C do it alone ? 8. Divide the L.C.M. of 24713 and 26614 by their H.aF. lid FIFTH GLASS. 121 9. A boy spent 8G more than ^ of his money, after which he had $6 more tlian lialf of it lufb. How much money had he at first ? 10. Divide the L.C.M. of ^'iOlOl and 440908 by their II.C F. 11. H.vd a cortiiin sum of money of which I spent 84 more than the I, I thou had left $20 more than ^ of the original sum; find that sum ? 12. Square the quotient of the L.C.M. of 43923 and 46254 and their H.C.F. 13. Invested I get? in hay at '5 of a cent a lb. ; how many tons did Exercise IV. 1. A mixture of 28 lbs. of chicory and coffee top^ether costs $3.G4, the chicory being 9 ce»its a lb, and the cofl'ee 25 cents a lb. ; find the number of lbs. of each in the mixture. 2. A merchant sold his stock of goods for $5308.90, realizing 6 per cent, more than he woubl have done, had ho sold the week before he did. Find the value of 80 per cent, of his stock the week before he sold. i- of m- 121x02, of $0105; find the sum 3. A received which A received . 4. Reduce $[5 -{ 12| + 15| + 30J )- of 5] to £ Sterling. r: T^' ^ .-, , . * X, ... ,L.C.\r. of 9,18,20 5. Find the product of the quotients oi,^ ^T.r — . .. . ^-, - ^ ^ G.C.M. of 14, 20 L.C.M. of 3, 6, 9, 20. G.C.M. of 14, 22. • 6. Express as the product of the powers of prime factors : 1, 2, 3, 4, 6 , 2 5, 26, 27, 28. ' 13, 33, 93, 103. :n of if 7. (a) A boy ploughed 5 and 6^-3^ acres of land at 7 mills per sq. rod ; how much did he get for his work ? (b) Sold 75 sheep for what 120 sheep cost me ; what rate per cent, did I gain ( 8. Simplify, as the product of the powers of the prime facton arising from : 1-2-3-4 17-18'19-20. 13 ^S 4»-53. s i 129 iziacxsBS nr ARiTHMBTxa 9. Two wheels of a toy carriage are 3 feet, 8 inches, and 4 feet 10 inches, respcctivoly, in circumference. Ho\7 far will the carriage have gone when the smaller wheel has gained 7 revolutions on the larger? 10. The price of 60 lbs. of a mixture of black and green tea is $31.20. If the black tea costs 57^^ cents and the green tea 37^ cents a lb., how many lbs. of each were m the mixture ? 11. If 20 apples = 12 pears and 8 pears = 6 oranges, and IS oranges -= 15 lemons, and 6 doz. lemons = 2 lbs. tea, how many lbs. of tea should be exchanged for CO doz. apples 1 12. A note of $750 amounted to $759 from January 1 st, to March 14th, 1892. At what rate of interest was the note drawn ? 13. A regiment of 840 men walking 5 abreast and 4 feet apart, takes 13 minutes, 38^^ seconds to cross a bridge Y^^n *^f^ "^ile long. If each soldier steps 80 times a minute, what is the Itn^'th of each step ? Exercise V. 1. Sixty lbs. of tea at 40 cents a lb. and a certain number of lbs. at 56|f cents a lb., avor.iged 50 cents a lb., when mixed together and sold. Find the total amount received for the tea. 2. At 18 mills on the dollar, a man pays $27 income tax, when 20 per cent, of his income is exempt from taxation. Find his income. . 3. John Pines rents a farm for $520 a year. If he does not pay the rent for 3 years, when money is worth 5 per cent, per annum, what will be the sum due then ? 4. A Canadian tourist goes to Vienna with $2500.66, which he exchanges for Jlorins at 97 cents for 2 florins, lie spends 17(> florins in Vienna, and thence goes to Santiago, where he exchanges the remainder of his florins for rials, at the rate of 2 florins for 7 rials. He spends 2100 rials in Santiago, and thence goes to Paris, where he exchanges the remainder of his rials for francs, at the rate of 10 rials for 7 francs. He now spends 511 francs in Paris, and thence goes to Glasgow, whore he exchanLjes the remainder of his francs for Sterliiuf money at 73 francs for 55 shillings. He spends £10 in C .asgow, and then exchunges the rest of his Sterling money for C.inailian money at the ordinary rate of exchange. How much money does he bring home after paying $73 for a ticket to Montreal ? 5. A farmer has horses worth $75 each and sheep worth $15. He has 42 head in all, valued at $1470. How many sheep has he 1 FIFTH OLASa. 123 6. Atnne merchant bought 70 gallons of wine at $4 a gallon, mixed with it 14^ per cent, ot itself of water, and then sold tlie mix- ture at $4.75 a galluii. Find his giiiu. 7. A and B have equal shares in a certain sum of money. A spends GO per cent, of Ills share and li spends 45 per cent, of his Khare. Now, one-third of the dillerfnco between what tliey each liave Icfbis ii;=28. Find tiie sum in which both together had equal shares. 8. A tank containing 45 barrels of water is emptied by a pail which hokls 10 quarts, 2 pints, (a) How many full pails are re- moved? {!)) How many (luavts reuiain in the tank to bo removed after the last full pail is taken out i 9. (rt) Simplify -{ (2}i + ]}i + 3\)^loi ;J of 1^ }» xl5. (6) From ^\ of a certain number j'^^ of j of it is taken and 43 remains ; what is th'.j number? 10. A's apples are worth 3 for 5 cents, and B's i o.wS 2 for 5 cents. U:)th together th.'y have between 1^ and 2 dozens. They exchange without loss to either party. How many had .mch at tirst ? 11. Sold 18 lbs., 12 ozs. of butter at IG cents a lb., and 59109 lbs. of oata at 18jj cents a bushel. Put the proceed.s out at interest for 5 years at 6 per cent. ; iind the total amount due at the end of that period. 12. Spent ^ of my money and S5 more, then f of the remainder all but $5 ; after which I had still $10 left. How much had 1 at first ? 13. Using the measure, ^^ 25 quarts to the cubic footy** for wheat, how many lbs. should be reckoned to the measured bushel to make it correct by iceiylU ? Exercise VI. 1. What times after 9 o'clock are the hands of a clock 144° apart ? 2. (a) Add 760, 240, 516, 829, using the Roman symbols. (6) Subtract 1725 from 2069, (c) Multiply 42 by 95 (d) Divide 1825 by 26 3. A farm of 100 acres runs back ^ of a mile across a concession ; what is the farm worth at $7.42J| 2^^'*' foot frontage ? 4. It takes a boy 21yV minutes to walk around a circular race- course whose radius is 315 yards ; how many uiiles and rods per hour does the boy walk ? u « i% (( ({ (t (* <» (( 124 KXBRCI8R8 IN ARITUMKTir. i I 5. Find the value of tho land, enclosed within a circtdar hedgo- row 1J>80 yards in circiiintoiunco, at ^.S8 uu aero. G. At ^O.GO an acre, a cinnilar plot of ground costs $3883.11 ; rtnd tho cost of onclosijig it with a fonce at 65 cents a rod. 7. A does J^ of a [)ioco of work, and B, who works half as fast as A, finishes tho work in G days. Find the value of tho work, if A is paid $2.25 a day. 8. How long will it take a man, who travels at the rate of 2 yds., 7 "2 inches pur second, to complete a jouiiiey of 72 miles 'i 9. A weaver sold GO per cent, of his Rtock of cloth at 80 cents a yard, realizing thereon ^2784 ; he then sold tlio remainder at 20 per cent, advance on his former price ; find iiis entire receipts f<»r cloth. 10. Buy COO bushels peas at 90 cents a bushel, payable at tho end of 8 months. Sell immeiUatoly at 85 cents a bushel, and put I of tho proceeds out at G per cent, and the rest at 12 per cent, per annum. How much do I gain or lose ? 11. Had a flock of sheep of which 40 more than J died ; then, 50 less than j| of the number left strayed off and 1 sold ^ of what I had still left. I then had 20 sheep ; find the original number in my flock. 12. Simplify : 52-r-3i 39 52 -^9| of 4^ I3i 1 l^(2023jj-.7Hs\j)- 13. If 10 bbls. of sugar of 300 lbs. each cost $4 50 a barrel, and the merchant sells it out at 20 lbs. for a dollar, find his gain per cent. Exercise VII. 1. Had a certain sum of which I spent $2 more than f and had left $2 ; find the sum. 2. Had a certain sum ; spent $2 more than ^ of it on Monday , then $4 more than ^ of the remainder on Tuesday, and had left $20; find the original sum. 3. Of a certain sum, I spent g plus $3 ; then ^ of the ^jmainder minus $1, and have left $13 ; find the sum. 4. Have the half of my money left, after spending $5 more than i^a of it i find my money at first. riFTH CLASH. 125 5. Rn ■* a certain sjim of which T npont 60 cenU more Hmn ^ ; thi'n 30 cents nioio than ^ (»f tho roiniiindur ; then 25 coiit.sluHs than h of whiit was still luft. I found I hud left $1. Ilow much had I at Hi'Ht ? (5. Annie gave away \ of her apples ; then J of tlie remainder ; then 2 nioru than 'I of what sliu hatl still left. She found that Hhi> now had 4 ap[ilos Uft. lIow mnny dozens had she at tirst V 7. Two t^allons mort! than i^ of all the li(iuiil in a barrel leaked out ; then § of the rcruainder and 5 gallons iiii>ro wtMe taken out ; then ^ of tlio reiiiaiiitler all but; 2 gallons ovapoiuted ; after which there were 7 gallons loft in it. How many gallons of li(juid were in the barrel at tirst? 8. Had a certain sum of whieh I s[)ent $14 more than -J ; then $5 less than -j of tho remainder; then §<.'» more than 1 of what still remained. 1 then had left $6 ; how much money had 1 at first? 1). hoiight goods for $ltiGCg and sold them for ifrlbGOJI ; find my gain per cent. 10. Divide the diflerence between \^ and JJ by their sum, and multiply the quotient by 111). 11. Divide $120 between A and B, so that | of A's money is i of B's. 12. Out of a certain sum I take $2 more than the fifth ; then $10 less than it of the remainder ; then, ^2 less than i| of what still re- mained ; after which I had left $10 ; find the original sum. 13. Bought 70 lbs. of green tea at 42 cents a lb., and 80 lbs. of black tea at 03^ cents a lb., and on selling the mixture 1 gained 1^ per cent. ; find the selling price, per lb., of the mixture. ay, ?20; der lan Exercise VIII. 1. A circular tank, 6 ft. li inches in diameter, and of uniform size, is 16 ft. long ; how many barrels of water will it contain ? 2. Simplify: 60 -r-Uof ^xfi off ^1 X Itt 62| } + 36. 3. Find the exact amount (in quarts) that a bucket 14 inches i>i diameter, ami 14 inches deep, will hold. 4. Divide $325 between A and B, so that 25 per cent, of A's share shall be equal to 40 per cent, of B'a. 126 SZER0I8I8 Ilf 4RITUMlfiTia 6. A tank Is 9 feet iluep, 7 ft. wirlo and 12^ ft. long, and U filled with wfttcr ; how many barroU docs it hold ? 6. ITow many barrels and ^^allons will a circular tank, 10 feet long and 3 ft. G in. in diiunutor, hold ? 7. Spent I of a curtain Hum and $2 more, and had loft § of thu Hiimand $10 ; find thu sum. 8. Find the difloronco between tlm bank discount and the true discount on $1040 duo in 4 months at 7h pur cunt. 9. TIio amount of aci-rtain principal for a certain time i\f pur cunt, is $45.5, ami at 8 pur cunt. , the amount is $tUO; iiii i the pritici[ial and the time. 10. Wlicn 72cwt. 15 lbs. wheat brings $141.30, what is wheat (a) per bushel t (6) i)or cental ? 11. What must bo the mailccd price of clotli that cost .$1.50 a yartl, so that the seller may ruiluco hia price 10 per cent., and still make a profit of 20 per cent.? 12. The amount of a certain principal for certain time at per cent, is $102!).r)0, and at 9 per cunt, the amount is $1181.75 ; find the principal and time. 13. Divide $108 atnong A, B and 0, so that A shall get | of B's share, and B | of C'b share. Exercise IX. 1. If i*j- of the value of a house is exempt from taxation, and $21 is the tax levied on the remainder ut 4 per cunt., what is tho value of the house ? 2. Divide $800 into two parts, so that 4 times G per cent, of one part shall be equal to 5 times 8 per cunt, of the other. 3. Divide $04 into two parts, .so that tlie interest on one part for 5 years at 4 per cunt, shall equal the interest on the otlier part for 4 years at 3 per cent. 4. A chest of tea weighs 90 lbs., and a grocer puts it up into caddies of equal size ; tho next day Im puts up an S8-pound chest into the same sized caddies, and has l.'i lbs. luft. If tho selling price of a caddie is $10 50, what is the value of what he has left, from filling the caddie, the second day ? 5. Simplif)' :- ^ 7 Uxt^ttx2| x38 FIFTH CIAHB. l'J7 ami tliO one into bhest )rice troni 6. Find the 'luotient of tlie L.O.M. >iw\ fJ.CM. of :j()401 »uul 12341. 7. A'h rnpo is.'} timoH j of nn inch + i <>f ij of a y.ird + Cj",, ft. -)-2A yiinls li)ii<4, iiiid H M is ."> bimoH iiH lonj,; ; tiitd tlu) totil valuo if thuir ro|u>H at 5 nulls a toot. 8. If '20 pur cunt, of tlio cost of a Imrso is 0(Hiul to \2\ per cent, of thu Hulling i>rio4-, find tho ^iiin pur cunt, at whirli it in hdM. 9. A lodger pays his hill of 8*2!). 50 with 2u cunt t.iiri lO-ct-nt pieCL'8. If tliui'o Were IGO coins, how many of thuso w jro 25-cunt pieces 1 10. Pure milk is worth 32 cents a ;,'illoii, hut hy watering it th»i pricu is reducod to cuntu a quart. N\ hat fraction of the milk is thu watur in thu mi.\turo / r2*+u-2i 1- 33 X — of a yard of cloth 40 11. Find tho value of 'tta ^(2|of3|)-f3g}^ ayanl. 12. (a) What is the lead numl>or which, as a co-factor of 21, will give a product which shall he a nmltiplu of 45 i (/>) Which mnUijile is it ? 13. The dianietor of a circle is 3 miles, 77 rods, 1 yard, 1 foot, inches ; find the length of a deyree in Ike circumJerMnce of the circle. Exercise X. 1. Paid 40 per cent, duty on a horse, and sold it at a loss of 10 jier cent.; hut if I had sold it for .^To.OO more, 1 wouhl have gaincil '20 per cent. Find the cost price of tli(i horse. 2. Six boys hired a boat for an hour, bub two of thein failud to pay, and the expense of each of thcf others was incruast d 15 cents. What was charged for the boat ? 3. An American grain-dealer paid 20 per cent, duty on Cfinadiaii barley, and sold it to a brewer at 5 per cent, loss ; but hud ho re- ceived 12ji cents a bushel more for it than ho did, he would I'uve gainetl 12^ per cent. Find the cost price in Canada of 836 buaiioljy of the barley. i. Simplify S iofgxJofH f 10 I of A of f X9> >-r^ 128 v.x?.ncinr.n in AniTiiMKTin. 5. FiiKl tlio .vim of three iimiUntn of ilTHUR, 7«H''7 undCllOl ami thoii' I..(J.M. 0. Af M «-ontn a Ih., nil nuitnl, C iiKirki-tod III Iimi^h— 7 ff»r A, AV('rii;,'iii;,' I.M) Ihs. »';i' li, /iinl <> f'-r U, iiviTii;4iii',' *JI<> His. oiicli. A, however I'liiitiM'il tliiit his line's witru wortii liiilf ii cent u II). iiioru iliaii (I'm vvliitli nuIluWJMl. C I licinlivitlt tl llu) pincii
  • i7( *'^ A'siiu-ome isiipial to j| t)f \Vn ; also, tliu Hinii ot their iiiuonieit is !{<1().*.IU. Find tliu sums out at interest. JO. A and H liavu certain Huins out at 5 and (> per cent., respectively, piT anmini and ij of A'h iiicoine is equal to ^'\^(^ of IVa also, the diU'eicncu between their incoines is J$iL'4 ; tiiid thesuniHou ut at interest. 11. How far may a pcrsMH ride at 1.'» miles .an hour, so that ho may walk back at '6.^ luiles an hour, anil l)e away 7 hours, %-k niinutus / 12. A and l», in days, can tinisha work of which A alone did ,^o in 4^ days. In what time would li, alone, have done it i ■ 13. Find the product of the thirteenth tnuLHide i)i iJOS and the seventh poirxr of seven. Exercise XI. 1. Find tho L.C.M. of all the composile numbers between 204 and 220 inclusive. 2. Find the L.C.M. of all the evisn numbers from 67 to 81. 3. A man borrows $72, on the first day of every tnontli during the year, on which he pays A a cent a month on every dollar he borrows How much docs he owe at the end of the year 1 PIFTU ri.ASS. 129 lie 4. Fiiul tlio nqunre root of o.icli of tlio following numbow , (.,) 7ii;(ir>U. (•) .'{(ilW.U'.Sl. (/•) HOTI-JHl. ()/) •;isi)!ii:;rt. 5. FiXfr.u't till' rnlhi root of each of tho following nuniborpi : ((») l'J!»rM('Jl(>. (<•) <.M(»l()l7r):i23. ((/) 07ir.Mi:ioo(). C. Fin}iiit|)lt« inti-ri'st. 8. NVliiit sum of ninnt'y will aninmit t<) !5ir»37.t»0 in 8 yours ut '^\ pur cent. , pur unnuiii, 8iin[)lo iiituiu^it i 9. WliuM ^1 1() is tlio simpio iiitrrust on %f5.S0 for 5 years, what is thu r.'itu [turcent. at which it is loanuil? 10. In wiiat time will .■?»'» 10 amount to $7<>8, at the rate of 4 piT cunt, pur annum, siniplu inturust 7 11. What principal will amoimt to ^87.<)0 in 4 years at 6 pur cent, pur annum, simplu inturust ? 12. In what time will §154 amount to $21)4.14 at 7 per cent, pur annum, 8imi»lo inturust '/ l.'i. A had .$118:30, B J? 12740, and C had !i4HH IN AHITMMKriO. •'t. \ iiihii'n |».i,y hoiiii^ iiMTiUHPil *2tt pt i i*i itt, in lliurolty IntTinnoil to JJ?.S.7"» u wi'tik ; wriuii wuh litH f-Mfiitr }••• iily Hnlury ? 4 Diviilii f^*.>Hl itiimn^ A, I) utiil aHt iiiiiuhttr wliicli us » co/nclor ot (V) will ((ive u prodiirl wliicll mIihII l)i))i innlfiplr of Tt'i? «». Ill till' ox|>r«Hsi.»n j^ of II lb. : (i.) Wluit ttiu'H i| of u ll». o\|)r.)HHt (ii.) VVIiiit rnHH ? (irr. Wlmt, «lo«"^ Hn» 5 fXpiotH? (iv.) \N li.if is l\ir niiin'' unit ' (v.j Niiiin- ull flio j'il whicV will form a product that Hhall bo a miilti})U of L".Ki8. Which nviU '• is it ? 12. A yroci-r had two b.nrels of su-^ar, ono wrij^diing '67)0 antl tho (»thor .'](tO lbs., vvliii h ho put up into ;in i-von ninnbi-r of tho largest si/ud dollar parcels. In putting up thu [)arcolH, he found that he had loft 8 lbs. in the tirst barit^l, but nothing in tho 8u ; III l|(i< Mm ml 7*' per eoiit., Hint ill ilio tliml \Kt \>or i^i iit. Fiom tlm tirMt rank tU) per Ofiit. of till) (Miiiti'tiU iH witliijiituii ; t'n>Mi till) Mi*('i*nil !N> |)(>r uunt. Aiid ftoiii tlm tliii'd 10 |>«i I t'tit Wltiii i>ur uiiiit nf tliti ori^iiml coiittjiaN JH ihu puru >viiiu iii*^ li.fi in lliu lliivu ciiNkt / 8. Tf 1 ll». HVnlfilnpoiii «)f gold be coinud iiiko KM, fin., whftt wuiglit (troy) is u Movi'i'iugn 7 4. A n'MtTvoir, conliuiiiiiK WTftOO Itiu rcUof wiiti«r, U i>iiipti<'d hy A |>ip''. tliu Hoctjuii of vvliicli in 7 inclxM in diiiiiK t* r, atiil tliion^h wliicli ili<> vvdifi' IliwH witli u vflority of 1 iiiIIih uit hour, in liow iiiiiny diiyn uiid Iioiiim will tho ro^^orvoir Ih* «>)iipti«!d i 5. VVIi;it Hiiiu of iiioiioy will utiiount to ;?lH.'l7r).({4^ ni thi'uo yuan at 7 p* lirsf lum'th«'nif) At whiil point \>ill thiH \ni ( (') How oftun will oHch havi) gonu round ihe i.MliuKU • • * 7. nividti 'M'i\ by •;J78 without Jird ihanyinj^ tlm dttciniaU t<» vulj^ar fniitioii.s. 8. Find corrcrrly to tivo duciutul plucun tho value of tho HerieH: 111 1 + — + + 4-otc. 1 1x2 1x2x3 9. A nuuclr'til boui^ht two pioces of tweed of e>s\. hiui cents per yar«l to buy it. Ho sold it all for H? I HO at a ^a in of iT) per cent. ; tind the number of yaids in oauh piocu b<>uglit, and tho .selling prico [)or yard. 10. Tlmro is a n'etanj^lo wlioso lenjjjth is \\ times its breadth, and which may bo planked either way with planks of longths JO, J 2 or 14 ft. What is tho least sizo of tho recLanglo i 11. At what rate j)or cont. will .Sl,9i>- for 2^ years amount to as much as .i?l, (»<)() for 8 years at 5 per cent./ 12. A person investing in tho 4 J per cents, pays ^ brokerage and makes 5 por cent, on his money. In what priced stock does he invi'st i 132 EXERCISES IN AUITHMKTIC. 13. (a) A conical pieco of marblo, tho diameter of whoso base is 2 ft., 4 inches, contains 7 i:nl)ic feet, 145t» cubic inches of n>aibk(. I{e cents and a sportsujan kills his bird every fourth shot on an average ; when birds are worth 40 cents a brace, how many must the sportsman shoot to pay expenses and buy a license for next season 'i 7. A spec'dator buys 371 sheep at $3 a head due a year hence. He immediately sells 271 of them at $2.75 per luiad for cash, and the remainder at $4.10 a head due in month.s hence. How much does he gain by the transaction, money being worth 5 per cent.? 8. A snail begins to crawl 12 inches per minute, up a pole, and is folloived 21 minutes afterwards by a potato-beetle, whose rate is to that of the s'nail as 8 is to '*.), and they are together 2 ft. from the top of the pole. Find the length of the pole. 9. A railway train travels 40 miles an hour when it does not stop and 35 miles an hour including stoppages. In what distance will the train be 45 minutes late ou account of stoppages? FIFTH 'LASS. 133 10. A contrnctor n:;rec(l to do a cor(-ain work in days. Hu employed 2 iiicii and .'! l)oys who did i of tlio woik m 4 days. He then put on two mort; men and ono more ])oy and /j; more of tliu Work was done the next day. lie now took oil' all the mm, and employed ono'.iyli hoy.s tn linisli the centra t on time, lluw many additional boys were employed the last day ? 0-li 1.3,\) of of ...f 11. Simplify : — 11 x \ O 1 [' ."> I «>! .-1 o'r} 3c) f 4-5 f of 18LJi,'r>0 fartliings. 14+14+14 12. A garden contains .'j8,4L0,ft20 stpiaro inehe.s, and it.s length is 35 rods. How wiile is it i 13, I take 2l0.^teps in walkiii'^ round the four .sidts of a rectangu- lar lawn ; find the area of tlie lawn, if (J steps are C(|uivalent to 5 yards and the shorter side takes 48 steio. Exercise XV. 1. A clock lo.sos 10 S'.'conds every 12 minutes and is set right at a.m., what will l>e the true time wlien tlie clock indicates 5 uU p.m.? 2. A watch loses ?>('> secnds in 10 minutes, and is s(>t right at 10 o'clock a.m.; what will he the true time when the hands are coinci- dent between and 7 p.m.? 3. A clock whi(!h gains 10 seconds in 1.^) min.. is set ri'jjht at 6 a.m.; what will 1)0 the true time when theclock iudicales U'iOp.m.? 4. What is the second time after 4 o'clock that the second hand is midway between the hour and niinute hands on a clock having 3 hands all moviuLj about the same centre ] 5. Wiiat is the tirst time 5 o'clock when the second hand is midway bi'tween the oher two hands on a clo k with a minute, a second and an hour hand all moving about the same centre 'i 6. At what tinie after 9 o'clock will the hour hand be midway betw'en the other two, on a clock having three haudr' all nioving about tilt! same centre ? 7. What is the first time after one o'clock that the minute hand is midway between the other t.vo, on a clock with three hands — a minute, a second, and an hour — all moving around the same centre? 8. At what time after two o'clock will the minute hand be first midway between the second and hour hands on a clo<;k, on which there are three hands all revolving round the same centre ? ;i I.; 134 EXEl{(;iSES IN ARITHMETK!. 9. Afc wljafc times after 8 o'clock are the hands of a watch 10 lainuteH apart ? 10. A |)(!raon slarled at half-past two in the afternoon and walked to a villii^'e, ai-rivini,' there! when the villat^o clock inilicated a quar- ter past tliKii!, After Htf'yiiig in tlu; villiis^ci 25 iuinutt;s, he drove homo hy ;i ro.td iUKt-foiuih an loui; auaiii, at a rate twice as fast as he liad walked, and reached home at 4 o'clock p.m. was the viil!i,''e cluck wroni; ? How much 11. A man left iiomo at 3 o'clock p.m. for a village, arriving there when the vIHm^o clock pointed to 4.30 p.m. After .staying 20 minutes in the villaL,'(!, he returned iiome by a road ^ longer than the one by which ho went, antl at a rate twice as fast as he went, arriving at home at 6 o'clock p.m. Ilow much was the village clock wrong ? 12. A m.in left home at 2 o'clock p.m. and walked to a village, arriving there whi'U the village chjck indicated 4 o'clock p.m. After staying in the village 15 miinites, he returned home by another road, wiiich was h;t,lF as long again, at a rate three times as fast as he went, and arrived at home ar 4.30 p.m. How far was it to the village, if ids rate in was 6 mile.s an hour ? 13. At what time after 7 o'clock are the hands of a watch 13 minutes apart ? Exercise XVI. 1. Tea at 50 cents a lb. is mixed with 4 lbs. at 70 cents a lb. and 20 per cont. is gained by selling the mixture at 68 cents a lb. How many lbs. of fifty-cent tea were in the mixture ? 2. ^old sugar at \)^ cents a lb., gainhig thereby 14f per cent, of the sales. Find my gain per cent, on cost when the selling price is 10 cents a lb. 3. The road between two villages, AandB, 9 miles apart, is over a mountain, the summit of which is 3^- miles from A, and two per- sons set out from A and B at the same time, the formcx walking at the rate of 2 miles an hour up hill and 5 iniles an hour down, and the latter 3 miles an hour up hill and 6 miles an hour down. How far from B will they meet 1 4. Bought a piece of cloth at $4.60 a yard. It shrank 16§ per cen\;. in length. Sold it at $7.20 a yard ; find my gain per cent, on the whole. 5. A bought an article for $40 and sold it to B at a certain gain fier cent., B sold :t to (J, C to D, and 1) disposed of it for $82,944. f each gained the same percentage on what the article cost him, find that percentage. \ FIFTH CLASS. 135 lb. lb. of is 0. A's capital, B's capital and O's capital are to one another as the iiunibtas .'5, 4 and 5 ; and As time is to \Vh tinio as .^);0. A's gain is !?7 whole party who purposed going numbered DO ? ILnv many children went I 5. Sold tea at lbs. for a certain sum and gained thereby 50 Sir cent. I afterwards reduced the gain on tea to 33^ per cent, ow many lbs. did I give for that sum? C. A j)erson discounts a note duo in 15 months so as to make 10 percent, peranninn -tn his mon >. What rate per cent, on the face of the note docs 'lo exact ? 7. The true dist;. nt on a sum of money for one ye;ir, at 7^ per cent, is $40. Find lie true discount on the same sum at 3^ per cent, for the same time ) 8. Bought cloth at $4 in gold, and sold it at ."?6 in currency. Did 1 gain or lose and how much per cent., gold being at 120 / 9. I received an eight per cent, dividend on railroad stock, piii'chased at 20 per cent, discount. What per cent, did my invest- ment pay ? 10. How many bricks 9 inches long, 4J inches broad, and 4 inches thick, will be required for a wall 30 feet long, 20 feet high, and 4 feet thick, allowing the mortar to make up one-sixteenth of the entire wall ? By what per cent, does the mortar increase the volume of each brick ? 11. A company of boys is met by A who gives each boy 25 cents. Afterwards tliey are joined by 4 more boys and the money equally divided among all the boys, who are then met by B and he gives each boy 25 cents. The boys are then joined by 10 others and the money again equally divided among them, when it is found that each boy has 20 cents. Had all these boys been- met by A his donation, divided equally among them, would have been 7^ cents each. How many boys did A meet 1 12. Two numbers are to each other as 13117, and their sum is 16230 ; find the numbers. 13. For what must I insure property at IJ per cent, to cover a loss of $4710? FIFTH CLASS. 137 IB 3r a Exercise XVIII. 1. From ft unifnrin cyliiulric.il wuter-t.ink, 14 feet in dianioter ftiid Stan liiiL,' vertically \j[)riLrlil, water is surface is liwcrcMl ;i fcot, 4 inclu'H. Find the number of gallons romovod, given tiiat a quart is s, and the other two respectively ,ij and .j',^ more than an averai^c days work. IIow many men, doin;^ an .iverai^e day's work each, nnist he employ the 40th day in order to complete the contract on time 1 5. A merchant in Montroid, who wishes to transtiit 400 pistoles to Malaga, finds that direct exchau'^e from Montreal on Malaga is $.'3. (15 for 1 I'istole, and that circuitous excliange from Montreal on Malaga, through Lombui and Pai'is, is as follows ; Fror.i Montreal on London ^4.8!» for £1 Sterling; from Lon(b)U on Paris 2">.\ francs for £i Sterling, and froui Paris to Malaga 19 francs for 1 pistole. What course of exchange should he adopt ? 0. How much water must be added to a mixtme of 55 gallons of wine yj pure, to make the mixture 80 per cent, pure ? 7. A feed merchant mixes 40 bushels of oats at .35 cents a bushel, 20 bushels of rye at 60 cents a bushel, with 10 bushels of bran at 15 cents a bushel, and grinds it al together into chop. If ihe bran de- crease 10 [icr cent, and the rest of the mixture nicrease 10 f>er cent, hi the grinding, what will be the value and what the vveig.it, by measure, of a bushel of the chop ? 20^ 8. A cask contains 7 parts brandy and 5 parts water ; of the 144 mixture is now di > wn off and it is filled with water ; what is the strength of the mixture then ? 9. A person had a certain capital, J of which he invested in 3 per cents, at 90, and the remainiler in the ^h per cents at 110. What was his capital, if his total income is $28U i 1! t 138 RXKKOISRS IN ARITHMRTIC. 10. The (lifTnronco between th«^ bank and true disoouiit on a cer- tain Sinn of rnonoy for '» yt«arM at 6 per . What, i.s the sum ? 1 1. Divide $720 between A and B, K'vitig A ()0|{ per oe-xt. of both sharos. 12. Tlio area of an ollipHo in 308 sq. inches, and its major axis is 2 ft., 4 in. Find it^' minor axis. l'{. How many })all.s, each 7 inohcis in diaiiu^ter, can be made from a piece of luad 14 inches long, 11 inches wide and 7 inches thick ? !l Exercise XIX. 1. A doah'r sent his atjont to sell 500 bushels of pease at 90 cents a bushel and 800 bushels l)arl(3y at GO cents a bushel. The aj^oMl sold tin; poasci at $1, and the barloy at 75 cents a bushel, took bis conniiiNsion of 2h per cient. and paid expenses of !i?30.'.)0, remit- ting the balance. What per cent, profit did the dealer realize? 2. Find the cost of enclosing a circubir park whose area is 85 acres, 99 sq. rods, 21 s(i. yds., 5 sq. ft., 130^ sq. inches, with fencing at 05 cents a rod. ( tt — 3f , ) 3. What woidd a dishonest dealer gain per cent, by using a weight 15 ozs. to the Ih.'i 4. Water rises 9 inches per hour, in a circular tank 28 ft. in diameter. If the water stand 2 ft., 9 inches doo[» in the tank, and a pump which empties 1000 ftubic feet per hour be set in motion, in what time will the tank be empty ? 5. Which is the better investment, to pay $3125, for a farm, due 5 years hence, or to pay $(>200 cash, money being worth 6 per cent, per annum t 6. I sold a quantity of Bank of Commerce Stock at 120 and in- vested in Montreal Bank Stock at 88 which I afterwards sold at 90, and repurchasing my Bank of Commerce Stock which had risen to 125, I found I had lost $180 by the operation. How much Bank of Commerce Stock had I at first ? 7. Divide $1875 among A, B, 0, D and E, giving D $190 more than E, C $295 less than E and D, B $10 less than E, and A $235 more than B and together. 8. How many cords of stone will be required to curb 96 circular wells, each 5 ft. 10 inches in diameter, and 30 ft. deep, the thick- ness of the curb being 1 ft., 2 in.? FIFTH (!LAS8. 139 I more 1235 pcular tliick- U. A {XTHoii sells out 'STtiKM) .»tnck in tliu throe pur eunta. at 96 un*l invests in I'iiuk stocU ut. 75| which pays an annual dividond of 2^ por cont What is hi.s iinivaso in income/ 10. l)ivi(lo ij^'JOHO auion^ Hvo nu-n, seven women and fourteen hoys, HO that each woman may have i^' of a man's share and each boy ^ of a woman's shari;. 11. At what ral(! per cent, discount on the face of a n(>te nnist a broker buy notes Ixaiiii'^ interest at 8 percent, per annum, 8o an to make 20 percent, on his investment y 12. A man's inoome is drrivod from ^1500 it a certain rate per cent., and i!i»730O at 2 por cent, more than inc former rate. Hia whole income isJSflODO. Find the rates. 13. (a) liy selling tea which cost a certain jn ice per lb. a merchant gains 12^ [ler cent, of the proceed.s. Me now raises his sdlini,' [)rice to $1.00 alb., by which lie trains lj^3() on the sale of i!i«.,'hty-four dol- lars' worth of tea. Kind the original ci>.st price per lb. (b) Tour por cent, of A multiplied by b is greater than A by 400 ; and 6 i)er cent, of A multiplied by ja is less than A by 315 ; find A. Exercise XX 1. How much money must be invested in the 5 per cents, at 80, brokerage 1 per cent., in order to give an income of $4G0 after de- ducting an income tax of 4^ cents in the dollar ? 2. A per.son sells out $4000 stock in the 4 per cents, at 1)2, and invests in the 3i per cents., gaining thereby 840 por annum by a change in his income. At what price did he purchase the latter stock 1 3. If liC of a farm be worth $1600, what is tlie value of 7-2 of it? 4. C's daily wages are $1.20, and he receives $17 for finishing a piece of work at which A and B had worked together for 6 <^ins to ll^(■(>ltw many bushels of pease did he get ? 3. A gives B 9 yds. the start in a race of 108 yards. B gives C 12 yds. the start in the same distance, llow many yds, could A give in a race of 210 yards ? riFTII CLABS. U\ 4. A pmnp, vrhich Mont] still ^ mi!lu^o« in 15 min., oc(Mii)io(l 12 hours in diainin,' n ci-llir 10 ft. hy .'«) tt. If tli»> \via«r r«>so tJinclios |iL'r lionr in tliu crll.u- ami tli% piiin]) t-niptifil IfiOO ciiliie ft. pur lioiir while »V(»rkii.u', how f ** ">i'o '""i?, t^f>'n'n' at tho rate of 10 niilos an hour, to crr>.s.s a hridgo 2 niilos 80 rods Ion-.,' ? 6. 'rhroe-two-huiHlri startod to work at it, tho work was prolon^'od 1 j^ days. How should !i^50.7O which was paid for tho work bo fairly divided botwoon them? 11. If i of (x + l of x)—l of (j/- ^ of y), find a: in terms of y. .( 3i 12. Simplify:{ | + — 1- +.247J^ - of GO 7 I r.t I 005 8-8 IJ. J,,: wont |uo as town Ite in 13. (a) A man 1ms two kinds of gin. The first is worth 80 cents a galltni more than tho second, and 5 j)ints of the second are worth 4 pints of tho first. Find tho price of a gallon of each kind, (b) Tho rate of a man's rowing is 3 times the rate of the stroan: on which ho rows, and he can row 10 miles down stream and up again in 3 hours. Find his rate of rowing, and the rate of the strt-am. jind luthcr iught Ijease res C ddA Exercise XXII. 1. Twelve turkeys and 12 geeso cost together, |24.fiO, and the turkeys cost 45 cents each more than the goose. Find tho value of a score of turkeys. 2 The radius of the innc# circle of a race-course is 122 yards, and the course covers an area of 14 acres, 154 sq. yards. Find the width of the track. H2 RJCFnnsRM IN ArmiiMiTio. • I. Till- liri^ht of a I'Muiii i-. h.iir III!' w if |.iipi r. \i\ jim'Iu'h wi<\\'X, fiftefl wiMi ii f)i's. to tint si|ii.iro iii.ii, liHs, Mil iJs imiiTMinfiici', 20 Ibn. pri«H.sm»! to tli''s»pmr»' iiM-li on st-irtin;,' tlu" piston ; how f.ir niii>*t tlio piston 1h» fi.rci'il into tlio cyliinU'r to upcii tlu; valvo if thu |iii!s,siir») (»f coni- presHiid iii' viu'ios invcrs«>ly iis tho .spiic(» it occupios? 6. A fiininT ImysT sh.ircs in ii chocsn factory ut .^(10 ;i .^hiro ; iit the end of thusi-cdnd yt»ar.sto(!k rintiH to JJiTO u Hhiiro, iind hcHollsout (nut hUiuo ; tho Htocic now falls S^i") ;i shur»! I'dch HUcct'cdinfjj ytuir, and }io K'lls otit a .shari' uach year till ail hix .sfi.civ i.s t,!m.s di.sp(»,s»Ml of, when lit! liiids hi! Iiiih iit>iilM!i- 'j;,iint'4i)rH wv.m oim third tho nuiuhur of Htiitiiii^ii pussiMi^'trs, hut 2() luurt) oaliiii puHHiiii^urH wen! takuii on ))oiird iit Aiddaiid, uhiMi it was found that tho cahii'i pa.ssoii;^«M*.s worn t-t tho stt'ora^o passfni^rrs an 5; 14. Kind thu nuiiiltur on hoard wliun thu vumhuI roacliud Mulhournu. 2. Acylindriral tunk, 7 foot indianiotor and i?5 foot Ion.', is lillod with coal-oil ; how many gaUons, (ptartn and pints doeti it contain Y 3. A morehant Honds his agont poi k to soil on a (^onunisnion of 2 per cont. with instructions to invost the not |irocoods in toa at $14 a box, attor doducting hi;s foininixsion of '.V^ ptn'otMit. for buying. How many boxes of tua doos tho morehant rocoivo, both conuni.Hsions being %$:>57 i 4. A and 13 enter into purtnorship, tlioir capitals being in the ratio of 7;i). After throo months A withdraws a part of his capital so that the ratio is as 2;.'i. At tho oiid of tho year A 'f, share of the profit is ^1600. Find tho whole profit and lis shaio thoruof. 6. A customor bought, as ho sui)p()sod, tho value of $24.80 in toa from his grocer who usol a weight loi o/,r. for a lb. (a) What did the grocer gain on the salu ? (b) What did the custoiaor lose on his purchase 1 6. A tiink, 3^ feet in diameter and 4 feet deep, had 45 inches of water in it. It bocauio frozen to tho U ilt<« fluplh of U itu'tioM, witnt will Imi the wuiglit of thu iuu in Ihu t/uik if icu ill I y an lifuvy iim wntor 7 11. A cominiMaion nifrcliiwit huIIm 500 l)l>U. Hult lU 91.40 a burnl on a ooiiiiiiisNioii of \j por cent.; what fIo«m hu iviiiit ( 12. A'm ctittlu arc ^ Iumh in iiuniinr tiiuii \Vh, but iru 12^ pur uunt. I>«. If U'h licid iiuiiiliuiM :;67 lu>a uf fruHtuiii l)t)iii({ 28 iiichuH and the Uiuiuntur ot tiiu luiuiler baMe being 21 inches. Exerciae XXIV. 1. Prove ilio corructuesH of the following ntntemrnts : Frincihal. Uatr. $72 «. % 9510 ^7% !|12()0 91 KK) 12200 6% 9720 25% TiMK. HiMI'LK IntKKUT. Thu I DiROOCMT. 2 yrtj. 99. 98. 2 yis. 980. 970. lyr. 940. 9:{0. |yr. 9100. 9'JO. 5 yrn. *550. 9140. lyr. 9180. 9144. 2. Find tli« himim.k inteiikst on the tnie disctmnt in each of the foregoing I'XiiuiploB for tho i% $24 $114 B% 7 yiM. 7 y»"<. n yn*. 2 yiH. 1144 5% $84 $144 10% $144 107. 4 yi'H. $41| 81I4 B% $144 6*/o 4 yrs. 2yM. $24 $144 $144 67o $1V, (/)) .Show that Siiii|tl»! Intm-o^t U jnnpmHnnol to i'ltiNCii'Ai., ratk or TIME. (<;) Show that Truo Discount is propm'timxal to imiincipal when KATK and TiMK remain uiudtered. {(l) Show that Truo Discount in nnt propovtiomtl to katb oftimb. 6. (a) If thu sini|>K3 inteivst oi ii cuitHin huiii ho .j\^ of the prin- cipal, what fiaciion of the princip!\l would rupifsiunt the truo discount. (6)(}ivon that $106 is the tnio discount on i^'MOb f<»r 1^ yrs. at 10 per cent. piT annum, find the interest, witliout working out as a question in interest. 7. Tho simple interest on $420 is $21. Find (a) the truo dis- count ; {!)) tho diUcionco ln'tvveon tho simple intorest and truo dis- count ; and (<;) tho interest on tho true disc(»uut. 8. If tho simplo inturost on $7272 for a cortain timo at a certain rato, 1)0 .S'.)0".», what is tho true discount on samo sum for the same time at tho .samo rate i 9. In what timo will $650 gain $241.80 if, at the same rate, tho gain on $750 for one year and 14G days is $03? What is the rate per cent, per annum charged ? (365 daytt=* year). 146 BXEKCISUS IN ARITHMB'rrC. ! 1^! 1 1 :i; :l| ■ .11 ■]'. j i 10. Tf Mie true disc iiiiih on |14()0 for a rortain time at 13 |)er cent, is $260, what is tho true disoount >;n sumu sura for one lifth of that time at same rate per cent.? 11. If the tmu discount on $743.40 for 2;J- years is 8113.40, in how nrmy years will tho discount on $570 bo $70, at half the rate ? 12. If the true discount on $1089 at 3 {)er cent, be $189, at what rate prr cent, would tin- true discount on $1150 be $150 for ^ of the time ? 13. T'^ tho true discount on $210 for 4 years at 4 per cent, be on what sum would $80 be the true discount for same time at satne rate? 1. Simplify ifyrja Exercise XXV. 3 05 5491 875 of 3-5 X 5-03 -^ x — 305 62 6-3 of — of 1t\. 2-i 2. If 13 hours are rcMjuircd for travelling a givon distance at a given rate, what will be rec)uir(jd when the distance ia diminished by f and the rate increased by 225 per cent. ? 3. In what proportion must a grocer mix sugars which cost re- spectively, 0, 8, 16 and 19 cents a lb., in order that he may realize a profit of 30 per cent, by selling the mixture at 13 cents a lb. ? 4. Bought 2 horses for S200. Sold them again gaining 5 per cent, on the second, and losin.; 5 per cent, on the first. If I gained on the whole transaction one per cent., find the cost price of each horse. 5. What will it cost to make a gravel walk, 7 ft. 6 inches wide, along the sides of a squar.; field containing 2 acres, 80 sq. rods, at 37'i cents a square yard, tlie walk being part of the field ? 6. Divide $870 among A, B and C, so that '75 of C's share =*5 of A's stare, = '6 of B's share. 7. I intended to gain 20 per cent, on a stock of tea and fixed my price accordingly ; after selling ^ of the stock I was obliged to re- duce my price 5 cents per lb., and gained {f as much as I had in- tended. What was tlie original cost price of the tea per lb. ? 8. A speculator sells out $5000 alock of Uie 3 per cents, at 96, and invests tlie proceeds in bank stock at 75, which pays an annual dividend of 2 J per cent. What is his iiicrease in income ? 9. A train has 380 miles to rim. After running 200 miles, its rate is reduced one-seventh, and it arrives 51^ nn'nutes behind time. Find its first rate of running. FIFTH CLASS. 117 =•5 96, Lnual ,, its Ihind 10. Owing a man $538.06, I gave him a sixty-day note ; what must be tho fucc of the note to pay him tho oxact debt wheii dia- eounted ut fchu bunk at ten per cent, per iuinum ? CDaya of grace allowed, and 3(>5 days = a year.) 11. Eighty Ib.s. of aeu water cental h 8 lbs. of salt. Find how much fresh water must be added so that 1()0 Iba. of tlir inixMifc shall contain 4 lbs. of salt. 12. The sum of two numbers added to the sum of their squares is 922, and their product is 400. Find the numbers. 13. Find the number of yards of ril>bon, one inch wide, it will take to wind the surface of a couo i4 inches in diameter, and slant height 12 feet. Exercise XXVI. 1. A grain buyer made a profit of 4| ^ per cent, on a shipment of 500 bushels of wheat at .SI. 15, and 1275 bushels of barley at 75 cents a bushel, which he shipped his agent to sell on a coimiiission of 2i per cent. The a^eiit sold the whent at .$1.30 a bushel, and the barley at 80 cents a l)ushel, and paid $28,25 for expenses, remitting the balance. Find his remittanje. 2. What is the rate i»er cent, discount on the face of a note, which a broker buys, bearing interest at 10 per cent, per annum, so %a to make 25 per cent, on his investment ? 3. There are two sums of money, one being 4 times the other, discounted, (true dis.), tlie smaller sum for two years and 6 months at 4 per cent, per annum, and the larger for 3 years and 4 months at 6 per cent. The sum of the present worths is $1400. Find she original sums. 4. Two sums of money, one being three times tho other, are discounted (true discount), the smaller at 8 per cent, per annum for 9 months, and the otlierat 6 per cent, per aunuui for 4 months. The sum of the present worths is i$10,500. Find the sums. 5. I shipped my agent 500 bbls. flour, vvifch instructions to sell the flour on a commission of 2 per cent, and to invest the balance in tea after deducting his comsnission of 1^ per cent, for buying. Find the price at which he sold the flour, his whole commission being $72.10. 6. The true discount on a certain sum of money for a, certain time at a certain rate per cent, is $230, and the simple interest on the same sum, for the same time and at the same rate is .?240. Find the sum. ^ 1 1 1 148 EXERCISES IN ARITHMETIC. ! ,1^ ] I u 7. If the simple interest on a certain sum for a ( jrhiin time bo '^n of the snni, wli.it fraction of tlie Huni will leprestjnt the triio discount? (A|)i)ly the i)rinciple involved here t(. the following ques- tions in the exercise.) (See PjX. 7X and 8th Qiu!h. for another example.) 8. Sold a horse for ^270, gaivhig thciehy 7h\ j)er cent, of the proceeds. What fractional part of the cost did I gain ? 9. Sold a coat for $30, losimj tliereby S.^.'j i>er cent, of the selling price ; what })er cent, of the cost did I lose ? 10. Sold a horse, gaining .ii^f)4, which was as much per cent, as the horse cost me ; what was the sellin,<^ price of the horse? 11. Sold a horse f<;r $'280, gaining therelty l-l-f per cent, of the proceeds. Find my gain per cent, (m cost iiad I sold hin\ for $250. 12. If a kiln-dried piece of wood expands 4 per cent, in being water-soaked, what per cent, will it y eip^hty-nine hundred and thirty one thousand, eight hundred and elevan. sq. )f 14 find I with ride; jtres and per 5ter- ;e in Bxeroise XXXI. 1. If ^ of l.S lbs. sugar cost as much as 2 lbs., 8 om. of coffee, and 7 lbs. of coffee cnst as much «'=« 4 ll)s. of tea, and 5 lbs. of tea ci>st $2.10, how many lbs. of sugar should be given for a dollar? 2. A coal bin is 35 feet long, 18 feet wide, and 11 feet deep. (I) How many more tons (hif measure) of hard coed than of soft coal will it hold '( (2) How many more bushels {by weight) of hard coal than of soft coal will it hold ? 3. Add 6 cwt., 10 lbs., 5 ozis. ; 17 cwt., 21 lbs., 9 ozs. ; 575 cwt., 23 lbs., 15 ozs. Subtract 475 cwt., 75 lbs., 8 ozs. from the sum. Multiply the dijf'erence by 7 ; and divide the product by 6. 4. A tank is 9 feet long, 7 feet wide and 3 feet deep ; another tank is 21 feet long, 3 feet, inches wide and 3 faet deisp. How many more barrels of water will the latter lutld than the former? 5. if ^ of a farm sells for $3150 less than ^ of it, how many acres does a man get who buys ^ of the farm at $40 an acre ? 6. Divide the L.O.M. of 8, 12, 24, 36, 40, 90, 180, 190, 570 by 5§x7a 7. A ves«iel is said to have gone 1760 ** knots'* in going a dis- tance of 2028'9 miles. How many feet are there in a '* knot'* ? 8. A cistern is 9 feet square at the top, and is sunk 13 '481 feet into the ground. How many barrels of water does it hold ? 9. A mow of well settled hay is 40 feet x 20 feet, and is tilled to the depth of 10 feet ; what is the hay worth at $7 a ton ? 10. A man owning ^ of a lot, sold "3 of his share for $2800 ; find the value of the lot. 11. A cow is sold at a gain of 20 per cent., and the sum of the cost price, gain, and selling price is $192. Find the cost price. P V. w I i 1»4 ■XBRCISFfl llf ARITRMRTia 12. How much wator must be arMnd to 81 gallons of pure wine worth $.'{.3:^^ a (gallon, ho that by soiling the mixture at $3 a gallon, T may rualize a protit of $15 V !.*{. (t) A grooor sold 18 (lo/.nri and eii^ht ej/gs for $3.f)0, thnrel>y v;iiiniii^ 25 P^r ooiit. on tlu^ Halo. How iriuch did the ei^i^'H coHt the j^rocer per doz. i (h) A man walking »lon.,'Hide ;i railioud, at 4A miles an hour, ob.serv«*H t!>at a train, goinyr 45 milcH an hour in the name direction in whicli he is walking, pasHus him in 40 seconds ; tind the length of the train. Exercise XXXII. 1. A, B, and D, four adjoining farmors, have their faniis •Irainod by 960 rods of ditch, 3 feet, 6 inches deep, 5 foot wide at the surface, and 2 feet wine at th») bottom. A, who benefits tho most, pays half tho cost of diyj^'ing the ditch, and of the remainder of the cost pays half as much as II, and D half as much as C. How much does D pay, th»! cost of digging the ditcli being 7^ cents a cubic yard ? 2. Divide the product of §J, I'l^, H| and }^jf by the diiference between ^^^jf and f\ ; to tho result add 12 '16. 3. A bucket holds 10 pints of water when it is f full; how many bucketfuls of water will fill a barrel ? 4. A has $18150 in English standard silver ; how many lbs., etc., of pure silver are there in that amount of money, if pure silver is $40 an (mnce ? 5. If coli'oe loses 5g per cent, of its weight in roastini:;, how numy lbs. of green coffee will produce 1530 Ib.s. of roasted coffi •? 6. A stone-cutter dressed 8 stones per day for 8 days. Of these 62^ per cent, were circular in form, each 14 inches in diameter and 5 inches thick, and the remainder were rectangular in form, each 18"xl5"x5". How much did he earn, if ho received 9 cents a square foot of surface for dressing the stones ? 7. At what price must 6 per cent, bonds, maturing in 5 years from date of investment, be purchased to pay 20 per cent, on the investment ? 8. Out of a cask ui brandy | is diawn, then ^ more than ^ of the remainder ; the cask is then found to contain 27 gallons of liquor. How much was in the cask at first ? 9. In what time will $610 amount to $1016.66 at 7 per cent, per annum ? FIFTH 0LAB8. 155 these )r and I, each Mits a years )n the |of the iquor. It. per 10. A mow, 40 ft. lonj» atuI 20 ff. witle, is fiUed to the depth of 10 foct with hay woll Huttlud. Find the vahio ni thu hay at iii$7 a Ion. 11. If a «hip worth .^48,000 bo inswrud for H'.i\ pn- cont. of its lunl value, what will a man Iuho (in ca.se uf tiro) who has a three- fifths' intoruHt in it ? 12. Th«j prouiitim paid is tlT-GO on a house insiuvd for Jii^.'ioUO ; how many centn is that on thu 3100 ? What rate por ijont. in it ? 13. By using any short nujtliod you know, reduce |(} to a decimal. Exercise XXXIII. 1. The promiiun for insuring a house was $1.3.20 at CO cents a the 8100 ; for wliat sum was the house insured i 2. If the tru*' discount on SOfJO for 4 years be ^160, what will be the discount for )^ears in tiie same sum at the same rate ? 3. Goods marked p.40 are sold for $4.80. What is the rate of discount? 4. Average the following Ledger Account : J)r* Isaac Suelden. Or. 1887 Apr. it May 2 11 3 To xMdso it (i ( 1887 900 00 A})r. 5 500 00 ti li ,;)0 00 ( ( 25 May lo Hy Cash 50 1000 ;ioo 25 00 00 00 00 6. I receive $18030 to invest in Hour after deducting my commis- nofSj . . - each, do sion of 3jt per cent, for investing. How many barrels, worch ^4.50 ) I remit? G. If $1608 be paid for 12 acres, 90 sq. rods of land, and it be immediately sold at 96 cents a sq. rod, what gain per cent, would bo realized ? 7. Find the cost of 162 yards, 3*6 inches of cloth at 6s. a yard 8. Write the following in figures : Nine lii.iidrod millions, twenty hundred and ninety thousand, ten hundruil and thirteen ; subtract four hundred and ninety-eight hundred and fifty-seven from it and extract the square root of tlie remainder. 9. The dividend is 7/^ ; the divisor 2i ; the quotient ^ ; wliat is the remainder ? Make a statement of the relations among these. I* >6 KXKU(7IHI:H in AlUTUMITKr 10. It coHt ^78.;i7j t<) tii.vo H rt'ctAMji^uldr fioM at \2\ . Kind thu nt/. fnorevih ^t thu -iuUi, 12. Ifuw many du/unH of itir^H at 10 conts a do/un wouM piiy for l4U3j ouncuM uf t«a at 57 centH a pound i 13. A rual UHtatu dealer Hold a houNu and 7 tiortis of iatid for .l'4l 1, iKsh. Sturlin).;. If tliu houHi; waH vnliioil at ><(i'J*.>.U0. ii is a hlei'ping partner, anW (J manages the hu.sintss at a yearly walary of if^MH), Oi.t (»f a yearly g'un of !i;21MK.», what should each pa' tner receive t 3. What mnst hi; the >»:Jiing price of a fjirni which cost $"8721, in or ler to roali/o liO per cent, on the sale of it after allowing a Heriea of discouni-s ^froni the askinj^ price) of b per cenL , iU i»er cent., and 15 per cent.'/ 4. A Canadian tourist won 1/ to llaiabuig, (Jerniany, with J#250, which he chanj^ed for Gerninn money at 25 cents tor a mark. He spent 241 maiks in Huniburg, and then went to Li.shon where he exchanged his marks for Portiiguoso moiiry ut, 2.'> marks for 4 mil- rees. Ue then si)ent 12 milrees in Lislxm, .tiKl next went to Lon- don, England, where ho exchanged his mihoes for English money ut 5s., 9d. per milree. He then sj)ent £14, 5s. in London, and this sum included the [irice of his ticket from Liverpool to Quebec. Ho now exchangetl the remaii rt n 840 an ounce ? 8. llnw inAuy f">yH, Hftch ^\nu\^^ ? of ft inan'H work, miint >>e ('iiiplov'il with S ni(ii\ to do im much work in ir) iIuvh an RO nicn 'I Would do in IH dayfl 'J 'J. On a dt(}»t of iffHOO, T rocnivj^d on Jftnuary l«t, IftOl, 4.% ItiihlirlH of will at, valiK'l )it JBI.Drj a Imsln-I. Tlu" Walaiioi- still tliu* runiaint'd al iMt^•^»^^t,, until March I Uli. IH'.I'J. at !<> |mt o«uit. |»or annum, whuii it was paid in full. Find thu ittcciptH, Munh 1 tth, 10. If hicad w»Mp:h.s .M5 por o«nt. inoro than tin- thmr frf)in whi(;h it iH iiiaiUs how tnu(;h httiad can Ixnthtainod fiom L'H ImuiuIh of tlour< 1 L. A rectangular pint of j^roimd is 50 d. KaiiicttTM huig hy 50 niotr4 Htp rods / 12. A man buys City of Vauoouvor hontls which pay 10 per cont. and wliich aro to bo riMhuMiiod at par in 5 years after purchased. Monuy being worth 12 perijunt., find tlu* prici' of the bonds. 13. At what price per barrel shall an agent buy tlour at 5 per cent, commission stitliat, after paying 10 cents a barrel for trann- Iiortation, it will net a profit uf 12^ perceub. when sold at Ji^7.20 a )urrel ? Exercise XXXV. 1. Stock l)ought at 10 per cent, discount pays 16 per cent, on investment ; what per cent, will a broker make who buys at 12j per cont. discount, and after drawing a dividend sells out at par ? 2. On IVFaich Isb, IftO.'i, W. N. Sl.anloy bought of J. O. Doyle &' Co., merchandise as per invoice, $720, on 2 montlis' credit. On March 7tli, W. N. Shanloy paid ^120, March 27th, !?100, and April II th, $200. What is the ofpiated time for paying the balance ? 3. A gentleman invested in stock at 90 J^ in a government road paying 7 per cent, annual dividends, and received yearly $455. V/hat sum did he invest in the stock, brokerage being f percent. 4. A dealer had 020 lbs. cheese, and sold a part of it at 12^ cents a lb., realizing therefor $5S.7o. Find his entire receipts for cheese, the remainder being disposed of at $15acwt. 6. The gross cost, of a purchase is $2342, which incIudeB a comunssion of $17.25 and other charges of $24.75. What is the rate per cent, of commission ? I .111 III 1A8 ■XKROlBBfl IV ARITBMina 6. A nmn «xcli/inmM| ](\ })nrr»An of flour ut 8B.n7i • burrol for 20 OOrd^of woixl. Wliut vv;ii w()< (I worth |>or cord-foot 7 7. From a Iwirrol of wutor 3'. loukoil. Fitul thu weight, in Ib«. aikI oxm., of tho wiitt*r riMiimniiig in tho hurrul. 8. The cost of li |M'Aoh orchattl in !(?080. Ono-ftfth of th« vhUio of tho triTs in •m|iiu1 to onu ninth of thu value of tho hind. Find thu viihio of tho trcits. \). A riid n tot(nthor I ought a bnrrol of flour ; A paid 97.36 and h paid $2.15. Kovv uii^ny iba. of ilour did U gut i (3Axl.i!|xiAx2iX 10. Multiply { ( 1^x1^x2^x31 x24 18 by- 11 3A . I ^„f «:. of — 1 Ji 11. How many milos doosa nmn trav«l in phxighin^', croHMwis*', u Hohl 80 rods h)ng by 00 ludn widu, his ph)tigh turning un uloven- inch furitiw ? 12. Sold goodn to a curtain amount on 10 pi>r ceut. commiHNion, and, having nitnittod tho not profU'CiU to th«> ownor, recuivod .f.'J<).90 or A per cunt, for prompt payiiiout. What wan tho amount of the cominisHiuu, and tho valuo of tlie guodH sold ? 13. I sold two hoiHos, recoiving for the Bocond J as much as for tho first. On the first I '^ainod 10 por cent , and on the Hocond I lost 81^ ])er cent. ; but gained on botti $110. Find the coat price of each horse. Exercise XXXVI. 1. A speculator bought a h)t, May Ist, 1802, for fSftO, and gave in paynitiut his note with interest at 7 per cent, per annum until paid. On Fob. 17th, ISO.'J, ho sold the lot for $700 cunh, and re- deemed his note. What did he gain 1 2. What sum would be saved per annum, if the interest on a public loan of $4,000,000 were reduced fr(»ni H^ per cent, to 3 per cent. ? If, in consequence, the j)rice of the stock foil from 101 to 95§, how tnuch would the propyl ly of the fundholders be diminished ? 3. How much miist I invest in 4 per cent, stock at 82 brokera-^'e h per cent, so that in tho event of the stock falling to 78, I may lose (bv selling my stock) simply the income on three hundred dollars worth of stock ? (Brokerage in each transaction.^ gave until id re- on a 13 per 101 to be n-a-,'e may ulred rirrii CLA81, 160 4. Find tlie uqiiAt«'d tiin*' wltuii the l>Alanco of tliu fullnwiiig liMdgt't' Account bucoiuuit tliiu : - Dr. John Si.oam. CV. 1802 Due. I «« 2 «« 3 TolULfronioldfto't. 1 2 (H) '* AiiioNK«)HN'<)nlur 15(10 ** A. Sinclair's 10 (H) 1892 IJdc. 8I»yordor on him 20 00 9, '• 1.1) 13i «« Cuih on act.. 115,7C» 5. A slii|Mnoiit of goo(U U invuioud8ir){M). At what niiin Hhoiild it bo insiiiMl at ^ por cunt, hu that in ciiHuof li>Ha thu Mhippur vvouUi ruottvor both the invutcu price and tliu pruinimn? (]. What 8 tht) p.ir viihiu of stock if thu diticount is f ISoO, and thu ratu of diticount 13^ pur cunt. 7 7. A Houcidator Itoiight canal stock at Ho^, and sold it a^^ain at 102^ ri>cuivin{{ $OL.'iO an tliu nut ca.sh proccotU of tliu huIu. What wan luH nut ({am, aUowin.; jf [)ur cunt. l)rokuriijju uach way ? 8. I)ivict weight, what was hi.s g.dn on thu nalu of thu tua 1 10. A Krocur rocuivus .^11 52 for butter wci^liod on scalua th. t roijjistorud 14jj ounces to thu lb. How nmny cuntfi* worth did hu cheat hi.s ciistomur? 11. A spuculator sold stock at a discount of 20j per cent, and made a profit of 10 [>er cent. Find the price at which hu had in- vested iu thu stock. 12. On -Ian. Ist, 1803, a not(> for 8500 is drawn up, bearing in- terest at pur cent, por annum until paid, aixl to bu com[)(iundud whenever payments aru niadt! tlioruon. On March 15th tliu sum of 8210 is paid ; on August 8tli, SOli.Ol), and on Octobur 20tli, !:'122.40. What sum will redeem the note on .Jan. 1st, 1804 i 13. One-fifth of A's slieep is oquid to | of B's ; ])ut A buys 00 slioep, and 13 increases his tloik 17 por cent, by buying 15 por cent, less sheep than A. Find the value of their united tlocks (after these purchases) at $5 a head all round. Exercise XXXVII. 1. Find the face value of the note, drawn May 1st, 189.3, to mature in 90 days, which discounted May 18th, at 10%, will pro- duce the net caslk proceeds of $500 ? 1 1 i ICO KXBKCISES IN AIUTIIMKTIC. r'^ n '' hill 2. I have 210 sovortsigiis ; what weight of pure gold have T, if pure gold is worHi $440 an ounce ? 3. Find thu cash halanco due on the following account, on Sept. 7th, 18U3, inturost (Year- IJOO days.) the rate of per cent, per annum : J.h\ Petek K. Empty. Or. 1893 $ :c. I118!)3 'lApr. 10 $ c. Mar. 1 To Mdse at .'JO (hiy.s 500 00 By Cash . . . 500 00 (( 31 " i»i. deep, innide measuremeutj the lead costing 32 cents a square foot. G. A train runs at the rate of G4 Km. per hour for 35 consecutive hours. Find the approrimate number of English miles the train traverses. 1 1 1 7. Express in decimals: 1 1 f- .... 50 3x50» 5x505 8. Find tho value of a cubical Idock of marble whose side meas- ures 6 dm , at ^24 a cubic metre. 9. A conrt-yaid is IDm., 2 M. long by 8 M. wide ; tind the cost to pave it with bricks, each of wliich is 8 cm. square, if the bricks cost $7-20 a thousand. 10. If oak isj^5 as heavy as water, what length must be cut off an oak plank 4 dm. wide and 30 mm. thick, in order that the portion cut ofr shall weigh 21 Kg., G Hg.? 11. A room is 12 M , 8 dm. long by 8 M., 4 dm. wide. How much carpet 70 cm. wide, laid down lengthwise of the room, would cover the floor? Find the cost of the carpet at 75 cents a M. 12. Find correctly as a mixed circulating decimal, the value of the 4 4 4 4 series : - + 5 3x5'^ oxb'^ 7x57 13. An accountant pays $9.10 income tax on a portion of his salary. VVliat is his salary if f '4 of it is exempt from taxation, and .*^^ per cent, is levied on the remainder { fiprn CT.Asa. 161 leaa- uost kicka pflf an ktion I How i^ould If the [f his I, and Exercise XXXVIII. 1. A millor botiglit 13500 bushels wheat, unci had it insured for jj of its cost at 1| per cunt. At what ])rice per hiish(;l must he sell it to gain 25 per cent., the prouiium paid for insurance being $112.50? 2. Exi>ross accurately, in decimals, the value of the series; 1111 + + . . . 4 3-43 5-4» 7x47 3. A square plot of land, containing 1 Da., 6 A., is covered with wood to the depth of 2 INI. Find the value of the wood at 30 cents a " stere." 4. Divide $300 amongst A, B and C, so that A A's = J B's = | C's. 5. Find the capacity of a cistern 3 M. , 3 dm. long, 8 dm. wide and 5 dm., 5 cm. deep ; and also the weight of water it will contain. 6. Out of a pile of wood, 8 Dm. long G Dm., 5 M. wide and 8M. high, a man reserved 35,000,O!)0 cu. dm. and sold the rest at 37^ cents a store. What diil lie receive ? 7. If gold is 19*307 times as heavy as water, what is the weight of a bar of gold 4 cm. long, 1 cm., 5 mm. wide and 5 mm. thick i 8. If mercury is 13*6 as heavy as water, what is the weight of 6 Litres of the metal ? 9. What Rules in Arithmetic would the adoption of the Metric System simplify ? Examine the connection or relation between the units of measure (capacity or volnme) and of loeight in the Metric System. 10. Find the L.C.M. of 5^, 41^^, 4i and l\h. 11. Find the compound interest and amount of $250 for 3 years at 6 per cent., interest, to be compounded annually. 12. Find the greatest number which will divide 941 and 1001, and leave respectively 21 and 12 as remainders. 13. How much stock at 97^ can be purchased by investing the cash proceeds of $1950 of another kind of stock sold at 78 ? METRIC SYSTEM. The Metric System of Measurement is a decimal system which has for its basis a unit, railed the ^^ metre" (me'ter). The metre (=39 37079 in.) is the ten-millionth part of the dis- tance from either pole to the equator, as measured along a meridian. I't !; 162 tXBRCISES IN ARITHMKTIC. For the better understanding of the Metric System let u« com- pare it (as far as the ni»asure is concerned) with the Decimal System of Notation. DECIMAL 8Y8TEftI OP NOTATION. ad -§ •• 52 5 o 2 0) 4J ^j -M -«■? ;-! — c/: t- «0 U5 -^ CO on ^ ^1 r ^ Integral v)rd(.TS. (Ascending Powers). i < I • fyi -- ^ -U • j3 -^ c« ^ J, 5 ■" r^ TS S -TJ ^ J3 . ^ = o jj ti :^ „r •S S i c === ;3^ .^ ^ 5 *j ffl a ^ « '^ 't; ^ -r: .c -:3 ■K M M -*-i 4-) -^ -- -< Docinial Ordei'S. (Descending Powers). MBTiilC SYSTEM OF ME.VSURKIMENT. (As to Length). ll jS iS iS 4§ .-« •S-a'3'3 2 gj SMWPS .» I •xs -iJ ;-i C oQ lO "Tj* CO (( (i it (t {< <( (( (i (k (i micro — =TTruhmiT5 n ■' The Primary Units op Mbasurbmbnt. MBASUBBMENT. Iiength. PRIME UNIT. "Metre." WHERE USED. Distances, lengths, dry-goods, etc. I' 164 BXBBOISKS IN AklTUMEIlC. Tablb. (Linear.) 100 micrometHrs (una.) = 1 millitnetro (mm.) 10 iiiillirDotres 10 centimetres 10 deciinotios 10 Metres 10 Dekaiiietres 10 Hectometres 10 Kilometres 1(K) Myriametres = 1 centimetre (cm.) = 1 decimetrt' (dm.) — 1 Metkk (M.) = 1 Dekaiiietro (Dm.) = 1 llt'ctoinetre (Hm). ^ 1 Kilometre (Km.) = 1 Myriametre (Mm.) = 1 Megamotre (Mgm.) ^ r Very short lengths.— decimetres, centimetres, nullimotres, etc. Short distances, —metre, etc. « a Long distuncea. — Kilometre, etc. mkasurement. Akba. PRIMK UNIT. Square Metre. WHERE USED. Floors, ceilings, walls, carpets, etc. Table. (Ordinary Surfaces.) 100 sq. centimetres (sq. ?m.) = 1 sq. decimetre (sq. dm.) 100 sq. decimetres (sq. dm.) = 1 sq. metre{aq. m.) For f Ordinary areas. — sq. metres, sq. decimetres, sq. centi- Measuring "J metres, etc. heasukembnt. Abea. PRIME UNIT. " Are " (=Sq. Dekametre). Table. (Land.) 10 milliares (ma.) == 1 centia.."^ (ra.) 10 ce'itiares = 1 deciare (da.) 10 deciare =1 *'Are"(A.) 10 Ares =1 Dekare(Da.) 10 Dekares —1 Hectare (Ha.) WHERK USED. Farms, town- ships, etc. For Measuring measurfment. Volume, { Land — Dekares, Hectares, etc. PRIME UNIT. Cubic Metre. WHERE USED. Bricks, blocks of wood, stone, etc. FIFTH CLASS. 165 Table. (Ordinary Solids). 1000 cu. milliiMotres (cu. mm.) — 1 cu centimetro. 1000 cu. cotitiinetros — 1 cu. decimetre (cu. dra.) 1000 cu. decimetre.s = 1 Cu. Mi:tuk (Cu. i^F.) For / C)rdiuary solida.- -Cub. Mecre.'i, cub. decimotrea, cub. iMcMuring \ Centimetres, etc. PRIME UNIT. WnKRK USED. " Stere " (Cubic Metre). Wood, excavations, MEASURKMKNT. VOLUMK. gravel, etc. Table. (Oreator Solids). 10 oentisteros (cs.) = 1 decistere (ds.) 10 decisterea = 1 Steue (S.) 10 Sterea = 1 Dekastere (Da.) 10 Dekasterea = 1 Hectoatere (Ha.) 10 Hectosterca =^ 1 Kilo.stere (Ka.) For Measuring mbasure»ibkt, Capacity. PRIME UNIT. " Litre " (cubic decimetre). Table. WHERE USKD. Dry substances, aa grain, fruit, vegeta- bles, etc ; Liquids, aa water, wine, eto. 60 B S 10 centilitrea (cl.) = 1 decilitre (dl.) 10- decilitres — 1 1 Litre (L.) 10 Litres — 1 Dekalitre (Dl.) 10 Dekalitres — 1 Hectolitre (HL) 10 Hectolitres =- 1 Kilolitre (Kl) = 1 stere. Large quantities. — Dekalitres, Hectolitres, eto. Moderate quantities.— Litre. Small quantities. — decilitres, centilitres, etc. measurement. prime unit. where used. Weight (or Mass). "Gramme," (cub. centimetre of Tea, Sugar, distilled water at 4° Centigrade). Hay, etc. r { Greater SolWs,»» woo,., eto, -Decastores.Hecto,tere,.eta \ M 166 KXfinCISEK IN AKlTHMSTia Tabu. 10 milligrammes (Mg.) = 1 centigramme (eg.) 10 coutignunmos 10 decigriviuuies 10 Graiiimos 10 Dokiij^mmincs 10 Iloctognvinmos 10 Kilu^numiies = I dccigmmmo (dg.) — 1 Gkammb (O.) = 1 Doki' ramme (Dg.) = 1 Hootogrumme (Ilg.) = 1 KilogruHimo (Kg.) = 1 Myriugminmo (Mg.) c ti fLnrgo Quantities. — Tonneau (Ton.) or Millier (Mil.)=1000 Kg. I I Quintal (Q) =100 Kg. 1;' j Moderate Quantities. — Kiiograniinea, Htjctogramines. P [.Small Quuntitiua. — gramnioii, decigrammes, centigrammes, etc. Since the Mectric System is a decimal system, moving the decimal POINT to tlio rUjht MULTii'LKS by ten, and moving it to tlie left^ DIVIDES by ten ; henco to do reduction deicending or ascendi)ig, we simply move tlie decimal point to the H•"" i perimeter ; x. y. and z.^respectivti sides of any triangle ; a.= major axis; b. •^minor axis. il^ I 168 IXEHCIHEfl TN AinTIIMKTIO. Exercise XXXIX. 1. A man incroaHed liis fjinn 20'/ in wize, and found that ho had then 7H(> Hires. How many ucntu did h»( mid to iH 2. If th(! fraction § Iiavu It Huhtracted from each of itH turm8, by how much )>ur cunt, in tho fraction incrcancd or diminished ? 3. If ^lL'..'«)4(;J is the interest on .:uie(l i 4. How mu'i» h ;lnios ^ 1 6. A chirk, w icei, after wliiili I found tliut I licld •'ijdL'CXH) in tliu Haid btuuk. What was thu ani«>unt of my divitl thi! eatalo'^iu- piico. lit) thon sold thu 8ut for )Bl»*J.U4 cash Kind his gain por inint. 6. Chani,'o (a) '«525 ; {!>} '875 ; and (c) 15)2 into uquivaleiit vulgur fractions in their linwd tcniiH. 6. A bin, in a mill, is 20 ft. ion',', 1«» ft, wid' >i„ ' ^< ft docp, ami it is filhid with wheat at .*>(> cents a hiishol. V ,ia the value of the wheat I 7. A man jiaid A .', of his money, R I o' /', , n\ C ^ of it, and liad lift )i<2.<)r). How much money hud \\v a^ iU < 8. A and B. two hoys, have ropes fast" I »■» the same stake. A'« rope ! 14 ft. hcig and lis is .'].'» ft loi. ,. They both make a circuit around the stake, keepin;^ their ropes tight. How many yards does H go farther than A / *.). (a) What time after i\ o'clock will (lie hands be opposite? (/>) When will tho minute hand be 222 degrees aln;ad of the hour hand { 10. What time after \ ii (('clock will tlie minute hand bo 9 niiuute- apaces aliead of the hour hand ? 11. Ileduce (a) '()2.5 of a bushel to gallons, pecks, etc.; (6) 575 of a week to days, hours, etc. 12. At what rate would )?t)50 produce $27'^ interest in G years V 13. A merchant sells an overcoat for $18 at 20^/^ advance on the cost ; but the co.st price is 5 of the marked jirico. At this rate, what would be the value of a case of three dozen overcoats at the marked price ? Exercise XLI. 1. Divide 52 lbs. of tea into three parcels, which shall be to one another as the numbers ^, ^ and 1^. 2. The L.C.M. of two numbers is 1430 and their H.C.F. is 65 ; find all the pairs of numbers which will fulfil tho conditions of the (question. I '1 170 IZEBOrSBfl T?V ARITIIMBTia y' % i4 1 ,|i J 3. Simplify : 2f - 6 J of ^^ - 1| j + 58//,. 4. Tho .Hum of thn woi^litn of two hiu'Va of ^riiin in 410 lbs. and thu dijjaencv. in 90 llm. Find thu ^vt•i^llt of each Murk. D. (a) Ndiiiu thu two kinds of friictions and tliu Hub-diviHionH cf t-aoli. (6) Simplify : (D l-\-n \ {ii) U - I Ti i v"0 i of ^ ; (iv)^ ; (v) 025 4- •138+ '20. (c) Clttssifv fully HH HtuhMl in (a) Mh> various fniction.d oxpres- Hion.s to;;(!tli«.tr Willi tliu tivo fractiuntd ixhuIlh olitainud. (5. Whon liinil)t*r is |tl2.5() a tlimiHind Munaii' fi-ttt. and posts aro worth !.'{ flints cacli, tinU tin- total cost of Imildin'^' a i loHcly Ixiuidt'd uuard 7 if'^t high tor 21 rods aloii^ an fUil)ankniont, inch linnhur bt'iMi,' us»'d, tho posts being set 4 fuut apart from contro to uuntre, and labor and tithur oxpunsun buing i^7-'i5. 7. \N hat is tho lapaoity, in barrels, of tho snuftlcst tank that can bo lillod ill an oxact nnmlior of mimitos l»_v f((cfi or hotli of two pipos, eaoh of which rospectivtdy oinptios .»() and tJ.'J gaUouis of wator [»or niinuto/ iJoth boing oponod, in what tinn' would tho tank li(( tillod? H. Bought 75 shoop at )ii(2.()8 por lioad, and 45 others at .^2.20 por head. Sold tho wiiolo lot at .'::<.'1.25 por luail ; lind niy gain poi* cent. 9, If a bag of silver containing }!iii'Cos than 25 cent pieces, how many aro thoro of each kind in tho liag ^ 10. If tho sum of 5 times tho larger and 7 times the smaller of two numbers is 1442, and the 875, nni' hui iIkt. N\ lint tiw tliu nuin^'irH / 'J. Till' intcrcMt on )!!ill()i) lot- on«) iliiv whh 2r> " nts ; find thtt ruto pur cunt. |i*>i- untiiini ut wliiili it whm lutmrd. (N tut .'{I'm days.) 3. A cania^u diisf, 4 roil.s vvidu and having an ai'«>a of .'KifHi mpiaiit rods, runs roiuid a circular graMtt plot, find tiiu dianiulur uf tint plot. 4. Siiow that i-J-!l'«ixi| l\. 6. TIhnio Workman, A, H ami C, earning? tlio «amn daily wngon, spend ri'HpuctiviJy :i, ^ i.:id ,^ <>f tlu-ir dady »)arnin.;H. I* I In; daily wag«!H of a woilxinan liu ^!(. lo, what Huni of nionoy will they all thr»)0 HAVu in a yt-ar'H time (5*_* wocks), no tiint' ht-inj; loHt i 0. Find thu nuinlHr which is hh much pur cunt, ahove .'10 an it i:4 per cunt, fft-lotv oO. What pur cunt. iH it / 7. An a^unt rucuivud !?.'10() for sullinj,' land at ^18.75 ui\ acru on a connuiH.sion of 2h /^. Find thu nund)ur of acrus uoM. 8. Find the siniplu inturest on iBlii8r).44 fo.' 6 yuars at 5'/^ pur annum. 9. A j)uhlic j^anlun in the form of a circle, contains 20;U) acrus. It has ornamental trues planted II fuot apart around its circum- ference. How many truuH aru thc^e? 10. A bought IVh note (drawing no interest), B allowinjj liim 207, off thu face value. What per cent, did A realize on his investment? 11. If lemons cost 81 for 30, how many dozen must 1 handle for $30 to gain 25'7o? 12. Simplify: ^x H-H of H + ^Jj. 13. A boy took 0000 steps in g'>ing a distance of SJJ miles. Find the average length of his step, in feet and inches. Exercise XLIII. 1. A's capital is to B's as 2;. 5, atid both loan their money for one year at 8°/o. if the ditlenMico in the amount f)f interest received is $24, find each man's capital. 2. A box, without a lid, is (V 5" lon^j;, 4' 2" wide, and .3' 3" deep (extoDial measurement), (a) Ilow many square feet of inch lumber does it curtain i (b) How many cubic feet and inches of material are there in it ? I i ■ ! 11 'i III n 172 f.XKnrtnr.n iw AhiTiiMrTir t\. A i?if\n invpHtu i|4C7ft in tin- 4 piT mitH nr Oft, i\nr\ nt the onH f»f the yi'ur lio ncIU imii ut MO, Hit<| inviNtM liulf tin* |iii»i'ih«U in tliu IW |)(n tlmt a pint IidMh 28 87i'> luliic inclu'N of wntor, how dci p is ilui tank / 6. lt(Mii{lit l)ittl«M- and Nuld I of it at a I^nm of L'O'/ . How niui'li per cunt, must I now iidvaiK'i* my sullinu \nuv to ^ain 2r> / on tlio wlioli) tranNiK^tion / nf wiifk in 7^ dayM wlirii It InlpN him 4^ •hiyn, and H r.\i\ do tho woiU in 7 pi dayn whin A JH'IpM hnu lA davH. How lori|{ would it tako A and It woikin;{ tiv^fthii to do the wmk I 7. If 'I Idock of toilut Hitap .'( inchiM lon^, "J inchi'H wido and H im-hes thick wim^Iih *.) onticuH liiid iH wmih ^l.iio, what jh tho valnu of a pyramidal <-aki' wIiohi- altitiidt* \h '24 inchuH and wIioho basi) ia a uirclu thu diamt>ti-r of which \n It inchcM i 8. A luiB cloth m»irkcd at 8l.<»r» a yaid, which is lt>-J"/_, ahovo tho coHt pricu. Find ilm «'i»Ht prii-c of 70 yaids nt that cloth. 1>. Simplify : 1 17 (ij 4- (5.\ - r'2')) x fT } +«• 10. Divide tho square of OL'o hy tlu) I'uhf of (Mil!. 11. From 12*6 take (;-227, ivnd to thu dilh-rcncc add fiH. 12. A .s(|uai'o plot, 40 yards to a Hide. Iwih 8 tlowcr hcds, each 18 ft. hy 10 ft., and one circidar portion 21 yani.s in diameter f^r a fountain, tho roMt hoin^ j,'rav«dlcd. Find tho portion of the plot gravelled, in ki|. yds., h<|. ft. and s<|. inches. 13. Express, explicitly, 4121 (a) in the denary scale, and (6) in tho odenary sailo. Exercise XLIV. 1. How many miles per hour does a train run, wlieii it traverses 821 yards 1 foot per minute ? 2. Divide loO into two such parts that 4 times (me part .shall lie equal to 71 times the other. 3. If 8 per cent, of A's money cfiuahs 5J^"'/„ of B's, and botli together have $5400, how much momy has li more than A / 4. Find the value of KUTii n.hHH \::\ civcli plot iTRoa !l llhu both ft. Fiti'l tho totnl coiif of 24A Hxt. of hnrt*v nr ^ contM a himhu), 8ft5 Um. «>f pt^iiHit Ht 70 cuiitM u btiHhul, hikI 1>17 IbN. oxn, of ryu nt bU oi>nt!4 a liiiitliul. A. A iliNuoiiiit of 20'^/^ uil tliu liNl pric*i« of a 840 tiiiuiilH to l\w i!iihiu foot. 8. A ciiii ilo II job of work in ^ of u day. mu\ It in ;\ of a day. If thoy both work to'^oHior to ooni|ilutu thu job, what in ouch iiiiui'rt MJiaro of t^o.L'O paid for it / U. Simplify : (/») 4 : (MIH'J"), j^iviiiu the ri'Huit as a roptiatiii)^ dociinal. 10. Thu bano «)f an isoHonioH tri.in'^h) in *J0 ft'ot, and t»aoh of the oijnal rti, iiiolntliiij^ ^l for the policy, amounts to l^Jif)? 12. If '2H lbs. of tea at 'J/ii bo luixt'd with 52 lbs. at :{/4 Storlinjj(, how many dollais and cuiitN, Canadian monuy, would 72 Ib.s. of thu niixturo bo worth '{ in. How many planks H\\ feet lonir by 15 inuhus widu will be required to tloor a building 50 foet x 3.'J foot/ Exercise XLV. 1. Simplify : 2. At 2.") cents a bushol, a bin of oats, 08 feet lonjj, 8 foot wide, nnd ,' feet doop, coHt.s $(510.00, How many lbs. of oats wore reckon^ d to the cubic foot ? M. .\ 'A;mk sidewalk IH feet wide and 2 incht>s thick is to ho ))uilt round a i»|(»ck of land (i chains s(|iiare, tlu' walk to Ju' no part of the block. \\ hat is the co.st to l>uild it, when huabor Ks $!20 m thousand s([uaro feet? \ The sum of two nund)crs is 25.1.^ and their flifi'jrence is 240*3, Find till! (]uotieut arising from tho division of the Luger by 3 tiuiej the smaller. !l. * ••■^' 4. 174 tiXKHClSES tV ARtrnMKTtrt. i\ 6. A broker charcfos ^"/^ for investing money, and receives $70 for a certain transjiction. Find the sum invested. 6. Which is the more pruHhibhi investment 5 per cent, bonds at ^-Z'^/o disi'ount, or 8 per cent, bonds at 20"/^, prttmi\im? \^hat would I gain on $1200 invested in the better concern? 7. How much must a merchant murk cloth which cost him 80 cents a yard, so that he may throw oil" 20 per cent, and still be selling at cost ? 8. Bought a house and lot in a city for #7500 ; kept my pro- perty for 5 years at an annual expense of $2i\5 ; sold out at a profit of 20''/o ov my entire outlay. What was my selling price ? 9. Two upright posts, set 32 feet apart, stand respectively 33 ft. and 9 ft. above the suifaee of the ground. ^^'hat length of rope, stretcluid tightly, would be recjuirecl to re.ich from the top of one post to the top of the other ? 10. A commission merchant sold the following on 2^7o com- mission : — 2800 lbs. wheat at IM) cents a bushel, 500 boxes cheese of 70 lbs. each at 8 cents a lb., 005 lbs. butter at '.O cents a lb., 90 bags of potatoes at 55 cents a b;ig, 35 busiiels timothy seed at $2.50 a bushel. Find the amount of liis conunission. 11. A man spends 33.\% of his weekly wages, and saves $780 per annum. What does he earn per week ? 12. Simplify : 13. A fruiter remitted to his agent S467.02 with which to buy fruit at $2.27 a box, after deducting liis commission of 3 per cent- How many boxes did the agent remit ? Exercise XL VI. 1. A and B together have $7000, and twice A's money I's to three times B's as 4; 9. How much money has each ? 2. Find the cost of flagging, with mar})le slabs, a ])lot of ground 20 yards long by 20 feet wide, the slabs being each 18 inches long by 8 inches wide, and costing $30 a hundred. 3. A drover sold 200 cattle at $28 a head, gaining 40°/^ on ^ of them, and losing the same per cent, on the others. Find his net gain or loss on the entire drove. PIFTn CLASS. 176 per s to long net 4. Wliat is the area, in square inches, of a circle whose diameter is 3J yards ? 5. Bought 80 books for $300, nnd sold tliein at 84.20 each ; find my gain per cent. 0. A can walk 4^ miles in oO minutes, and B can walk 3i miles in 42 minutes 40 seconds. ITow many minutes' start should A give B in 20 miles to beat him by filG yards? 7. A man received Jif878.75 for a debt on which a collector levied 6°/o for his services. Find the amount of the debt. 8. Tiie cost of enclosing a rectangular farm with a fence at 75 cents a rod was 1^.'{75. Tho farm had 80 rods frontage and sold for $3000. Find tho selling price jier acri'. 9. An agent sold a consignment of 7800 lbs. of butter at 25 cents a lb. on a commission (jf 4 percent. He paid $1!)!^ for freight and storage, and invested the l)al;uice oi the proceeds in silk on a commission of 5 percent Find tiie value of the silk remitted. 10. If 100 bushels of gr;iin oc -upy 128 cubic feet of space, and a rectangular bin of grain lo'xS'xO' weigh i3h tons, what is the weight of a bushel of that grain ? 11. If $120 be gained on .^584 in 125 days, what will bci the gain on the same sum in 3()0 days at the same r.-ite ? 12. By selling goods at IfJsVo pi'olit a merchant clears $749 ; find the amount of his sales. 13. I have an orchard 100 by 200 yards. The trees are set 20 feet apart and 20 feet from the fence which borders it. How many trees are there in my orchard ? Exercise XLVII. 1. A note the face valu^i of which is $."J20 is payable in 3 months with interest at (1 per cent, per annum. It is discoinited at the date thereof at 10°/^. What rate per cent per . (a) Make out the following account neatly^ accurately, and in commerr.vd form : — James Ross liought from you to-day : lOrJ 11)3. cheese 0^ 10,^ cts. a lb. 7} " rice (?>)24.\ " " 0^ " cornnKMl ("■ 10 cts. a lb. •^l-'ff " prunes (" ,*ii?l fur 1*2 lbs. (6) Ross paid you the cash and you threw off 10 Vg. (c) Receipt the account as per data. 7. Find the anioiuit (»f a note mdde Ftiitruary 24th, 18JH, and le(j(dlii due Marcli 10th, iS02, the face of which is $182.00 with interest at C/q i)er annum. (Year^oOo days.) 8. A man insured 7000 barrels of app'es worth $2 a barrel for ^ (.f their value at 2^°/o- -^^ ^^'^ occurring, 200 barrels were saved. Find his loss. 9. A miller has 5(10 l)uslu'is of coin, 720 bushels of iieasu, and 815 ))ushels of rye to transjiort to his mills. What is tiie /t'((«^ num- ber of the same-si/.ed sacks that will move the grain at one nutving without mixing it 'i 10. A farnua- sold loads of oats, ouch weighing on the average 20()2r| lbs., at .'57'. cts. a bushel ; but the warehouse-man, by mis- take, weighed the grain for rye, and gave the farmer a checpie for the same at G3 cents a bushel. What did the farmer gain or lose by the mistake? 11. Resolve 51480 and 3340200 into their prime factors, and from inspection of tluse write, in prhut factors, — (i) their L.C.M. and G. CM., (ii) the quotient when the second number is divided by the first, (iii) the quotient when the product of both numbers is divided by their L.C.M. 12. Simplify •0 ■c, •38 + -24 •0 + -(5 -16 - 15 13. Simplify }• FIFTH CLASS. 17; is- ose the ed Exerciee XLVIII. 1. A man's (3Xj»ensos are as folluwa : — Rent ^\ of iucoino, and expenses of liviiii^ <>07„ of the rt'inaiiider. He Jinda that he will then save ^oOO per aniiiini ; find his total income. 2. (a) If 51000 p..und8 of wheat cost ^787.50, fin lbs. (J ounces? 3. A, li, C and D have together 1450 acres of land, and A's land is to B's as 2:3. B's to C's as 2;.'}, and C's to D's as 9:10. Find the size, in acres, of each man's farm. 4. A farmer sold, on tin' market, a load of oats at 28 cents a b\ishel ; but the i^iviin-dtaler weighed it for barley and gave the farmer a cheipie for it at 45 cents a bushel, by which the farmer was ^1(..'>0 in pocket. How niany lbs. of grain had he on his waggon? 5. A music-dealer gave a discount of 8' 'I foi- cash, and a second discount to teachers of L'O ' on all cash jjuiihiises. At what [)rice was a book marked tor which a teacher paid J?4.(J0? 6. A and B entci' into partnership to cairy on a grocery business for one year. A |>uts in .i^lOOO at the bi'ginning of the yeai', and at the (Uid of () months S50J more. 11 puts in 82500 ut the beginning oi the year, and withdraws $1000 at the end of the first three months. At the close of the year, they find they have gained |!1800. Of this, what is B's share more than A'a? 7 A retired merchant invests lioY, i>i his capital in the 5 per cent, stock at 105, 20 of the re.uainder in 4 i)er cent, stock at 78, and tlu! l),\lance in 'Ir, per cent, stock at 07^. His total yearly in- come, thus derived, is $1575. Find his cash c;i,[)ital invested. 8. A connuission merchant sold (I00(> pounds of butter at 28 cents a |)ound. He remitted !jlG20, after ]taying freight $20, storage $10, and deducting his commission. What rate per cent, commission did he charge ? 9. Sold 140 shares railroad stock at 7-2% premium. What did I receive, brokerage being |% ? 10. The sides of a rectangle are as 3:4, and its area is 972 square yards ; find the length of the hiiKjad straight line which can be drawn on its surface. i m ill I 178 KXERC'ISES I\ AlllTQMBTIO. 11. A note is drawn up as follows : — $1500,"o"a. Veh.schoyle, /une 1st, 1891. Ono year after dato, T promise to pay Robert Endsleigh or Order, tlio sum of fifteen hundred dollars, with interest at the rate of four per cent, per annum. James Simcoe. The fore<^oin<2]0.00. How much would lift the note on September 4th, 1894 ? 12. The length of a n-ctans^ular field, containing 13 acres, 80 square rods, is 2'i tinit'S its hi-eadth, and a bicyclist can ride the length of a diagonal of the said field in 7«'i.l2.5 seconds. Find the time it would take him to ride round the field at the same rate of si)eed, 13. At what rate per cent, will $100 for 15 years amount to as much as $250 for 3 years at 0% ? Exercise XLIX. 1. A bill due 9 months lumce is discounted at 6% per annum true discount and $40 is received for it. What is the face value of the bill ? 2. A rect.'uigidar portion of ground, six times as long as it is wide and of tlie l,ci(d [)nssible size wiiich could be plaidced with planks 10, 12, or 14 feet in length and a tV>ot wide, is allotted by a city for a ndlitacy pai'ade ground, {a) Find its size in acres, sq. rods, etc.; aiid (h) tlie number of 14-ft. [)lanks necessary to plank it. 3. How much ready cash would buy stock at 8"^, paying an annual dividend of 4 per cent., in order to realize an income of $720 per annum ? 4. The weight of pure gold in a guinea is J^ffji of an ounce, and ^ of the weight of a guinea is pure gold and the remainder an alloy 50 times less valuable. Find the value of ])ure gold per oz. 5. A grocer has teas at 45 cents a lb. and at 75 cents a lb., respectively. He mixes tliem in ecpial quantities, and sells the mix- ture at such a ]>rice that lie gains as much per cent, on one kind as ^e Iw'ses per cent, on the other. What is his selinig price per lb.? Wluio does he gain or lose per cent, at this selling price ? G. \ man lost 5 per ' ent. hy selling 6500 bushels of wheat at 76 ■cencs a )ushe1 Find 'vhat total sum would have lost him nothing. riFTH CLASS. U'J 7. If a merchant should sell a niece of cluth at $2.87j^ a yard, he would gain $30.46 ; hut if he sliould sell it at $2.50 a yard, ho would gain only $15.45. IIuw much would he ivcuive for his cloth at the average of thostj prices ? 8. A and B, two teaohur.s in adjoining .secUons, each ongajro at $400 per annum to ho paid (luartedy, with the further undorHtand- ing that A is to gut an increase of $25 in his salary every three mouths, while B is to gut an increase of SiOU every year. Find the dijfereiice in tlioir earnings at the end of seven years, interest being left out of the question. 9. After paying $12 for an overcoat, a man had $30 left. What per cent, of his money did he spend ? 10. A speculator insured a cargo of 40000 bushels of corn for § of its value at 1^%, and paid a i)runiium of $120. What was corn valued at per busliel ? 11. A rectangular field contains (50 acres, and its length is J 20 rods. It is surrounded by a patii 6 ft. wide as far as the corners (»f the field, and at the corners there are four S(iiiarus of which the inner corner of each adjoins a respective corner of the field, the path and the squares containing 4700 sciuare yards, 4 square feet. Find the length of a side of one of the square corners. 12. Sold 50 geese and turkeys for $49, the geese at 80 cents and the turkeys at $1.10 each. How many turkeys did I sell? 13. (a) If -257 of a farm cost $9280, wliat is the value of J ^ of it ? (6) How many yards of satin | of a yard wide will be required to line 22^ yards of velvet ^ a yard wide ? i n ifli * it. an of lix- as b.? 76 U2. Exercise L. 1. Find th« result of the series ; — 111111 + + +- 8 (5)* (5)'^ (5)* (.'i)* ([>)» ( 1 1 + . (5)- (5)9 2. The numerators of two fractions ; .• 5 and 11, and ^ of the sum of the fractions is equal to | of j^. m it are the fractions ? 3. The product of two numl)ers is 5103, and their G.C.M. is 9 ; find their L. CM. 4. A farmer took a load of barley to tiie market where he sold it at 60 cents a bushel; but on delivering it the warehouse-man weighed it for oats and gave him a chucjue for it at 35 cents a bushel, by which the farmer lo;3t $(3. What was tu> weight of his load in lb3.'< I* 1(1 \:S I I' ISO KXEHCISKS IN' ARITMMKTK', ."). I. invest a cfrtdiii sum in Mmj four per cents at 80, and an equal 8um in the five fior cents (it '.)0. At tlie enf .stock liaviny risun 10% in value, I ■•^ell out for cvihIi, roaliziu'^ ii ;^'uin of $1220. Find my total cash investnitiit. <}. A fruitor sold apples at 5 ct;nfs a gallon, and -.'ained . I invest in the 4^ per cents at 75 ; what per cent, do I realizo on my investment ? 10. Simplify : - Of of 7J li^ « 7 _ •{ .5 "2 t ''12 1^-i +- [^t of 4g ] 11. A can mow ^ of a field in three days, and B can mow ^ of the field in the same time. Tn what time woidd ))oth working to; ether mow "53 01 tho field ? 12. Jf jl of the cost price of an art;i' 'o is ecpial to the gain and 25 ])(;r cent, of 'he selling price, find the gain percent, at which the article is sold. 13. The extreme point of the minute hand of a tov/or clock moves 5^ inches in 5 minutes. Find tlic Icngtli of the hand, L'iven that it projects 1^ inches beyond the central pivot around which it moves. I ■' Exercise LI. 1. A wood-dealer buys wood at S3. 00 a cord, ^""ow, at what price per cord must he sell it, in order to realize a profit of 15%. and alh)W 10 per cent of Ills saL'S as worthless ? 2 If 90 gallons brandy, 15 gallons rye whiskey and 5 gallons cider are mi.xed together, what per c(3nt. of the u)i\tuni is each 'i 3. A owes B !i?2r),30.88 tn be paid ui three eqnai payments in one ye.ar, one and one-l!?ilf years, and two years, respectively, without interest. Wliat ready cash payment '.should A accept, money being ■worth 8 per cent, per aiinum ? 4. What principal will amount to $455.05 in 7f years at 47^ box* annum, simple interest ? FIFTH CLASS. 181 6. Find thocost of ctiu^ing u dniiii 48 rods l«»ng, 3 foet doup, iij; feet wide at the top, aucl 2^ feot wido at the b(>tt«»»i, at 4 cents a cubic y.ir. At 30 coiits H Hiiuari- font, wliiit in tliu valuu '»t' a triuii>(itlar jji»}(3y of Htoiif wlmst' haso is 1) fuft and vvlioHt- jierp'mlicular heiglit 18 7 feet '^ 7. A gontloiaaii insured a terrace of 7 houses for I of theif yaluj^ at Ih^/^y payin'j; i preiuiinu of ^\47 Find the v;due <;f the ivthua. 8. What, nuist Ik- ' he f.ice . A drover luxi-ht. I,", fat eattle at *:{5.0i». ^'.',7.()i). $'47 oCf. jp:iH.(X). }v iivniu for choppintr ; ^ of it was barley at 40 cetus a bu.diel, I of it was rye ;ir (iO ei nts a bushel, and the rest corn at 50 cents a bushel. How niai+^y bushels in all did he get, and how many bushels of each kind of mi\ 2. Find the avoraijie of 10 lbs. 1<» o/.s., 14 Jbs. 8 ozs , 15 lbs. 7 o/s. , 11 lbs. 4 ozs., a)td .'5 lbs. 2 ozs. o. Two plac»^s on the globe, due eftst and west of e-aeh other-, are 125 de^re'ds of longitude apart. \V]i,it is th*- ditie-rence in time of the two [)1 ices ? 4. A nic'chant gained 20*^/0 by selling cloth at 00 cents a yard ; find his gain on the sale of 1000 yard- of the n^ at the top, 20 ft. lon;^ at the bottom, 5 ft. wide and ft. deep, inside measurement. How uuiny barrolH of water will it h(»ld 'I 10. It takes 70 yards of 27-in(;h car|teting to cover the floor of a hall 45 ft. loiij,' ; how many fet;t and inches wide is the hall? 11. A hole 'A\ inches in diameter is bored lenj^thwise throu;4h 576 feet oi pump-lo^. How many cubic ieut and inches )f material did the auger remove ? 12. Find the marked price of a bale of i21K) yards of linen that will leave a net cash price of 34 cents a yard, after two successive discounts of 20°/o and 157o have been made. l.'i. Find the equated time for tho payment of the following accoinit : — Dr. Geouor Leeds. Or. fi m 1894 ' 1894 March 1 To Mdse. . . 80 00 March 15 By Cash. . . . 100 00 •^■i 7 (t (( 37 00 i i 29 (4 .( 10 00 April 6 (t it 50 00 May 4 4 t t • 30 00 1 1 ANS\VERS. PART II. FOURTH AND FIFTH CLASSES. FOURTH CLASa Exercise I, 1. (00; B$nOO; C $300. 2. 15 iniinitoa. 3. 6/, days, 4. 53 \ per cent 5. 31 Iba. U $140. 7. 91.>5.62. 8. $186,000, 00. 9. 70 do/un. 10. 8(53. 11. ^ of an ounce. 12. A'o. 13. 460timoii. Exeroise II* 1. $U750. 2. Product 518 acren, 16 rods, 3 ft. , 48 inches. Quotient 67 (icres, no r.Kls, 20 yds.. 1 ft., 126.^ i i id ich =^301090029 J inch wk 3. (a) 50 milfs ; (b) 31GS000 inches. 4. 207 rods, 2 yanls, 1 t. 10 inchi-s. 5. $385.'. 10. $80. 6. 2 inches. 11. $7G8. 7. $1 .05. 12. $29.(50. 8. 13. (a) $13.76 ; (6)99 times. 9. 25 per cent. 1. 660 yds. 2. 6 years, 3. $20. '. 38 bushels 24 lbs. 5. $6G6 gain. Exercise III. 6. (a) 18H ; (h) 9^. 7. 10300. 8. $.72 a owt 9. 55 days. 10. $2.92. 11. 31 miles, 219 rods, 4 yds., 1 f t , 3 inches. 12. 27,^, ™Jn- past VI. 13. (a) $64801088; (6) {^? }^«;; ^ ^^;} ; (c) $189.61. [39J l( ■} m II >.V^< IMAGE EVALUATION TEST TARGET (MT-3) y ^ /L ^ 1.0 I.I 1.25 "Si- H; M£ 112.0 u •- I- IU& 1.4 ^ 7 /^ Photographic Sciences Corporation \ iV •s? r^ ^9> V 33 WEST MAIN STREET WEBSTER, N.Y. 14580 (716) P72-4503 ^ C^ ^^ f P^ f '■\ 40 ANSWRBft. 1. 1 mile. 2. 80 roda. a 19.60. i, $65.60 gain. d. 49 days. 6. 25 gallons. 7. 16.84. BzerolBe IV. 8. H.O.P. 3 inches ; L.O.M. 166060. 0. 26 per oent. 10. 961200. 11. $620. 12. 176 feet 13. 7^ per oent. Bzeroise V. 1. 4 lbs. 4. 46 gaUona. 2. 330 yds. 6. 4^ per cent. 3. 78| cents. 6. $192. 7. (a) 2562 cub. feet, 1088 cub. inches ; (6) 1120 sq. feet, 96 sq. inches. 8b 60 per cent. 9. A's $400 ; B's $700 ; O's $36a 10. 40 tons, 600 lbs. 11. 112 days. 12. 226 cords. IS. (a) $240 ; (6) $902.40 ; (e) $96.10. Exercise VI. 1. 23^ rain, past 6 o'clock. 2. 11. 24 o'clock, or 24 min. past 11 o'clock. 3. 16^ min. 4. (a) 21^ min. past 7 o'clock ; (6) 21^ min. to 8 o'clock ; (c) 5^ min. to 8 o'clock. 6. 9^ min. to 12 o'clock. 6. 48 min. past 11 o'clock, or 12 min. to 12 o'clock. 7. 4.43/y o'clock p.m. 8. 6^ min. to 11 o'clock. 9. 24 min. 10. 43/x min. after III. 11. 18 1^8 °^^* past 4 o'clock. 12. 4 min. 13 (a) In 6 min. 12 seconds ; (6) in 16 A min.; (c) in 24 mia; (d)in 32A min.; (e) 49^^ min.; (/) in 1 hour (at one o'clock): (g) in 66^ minutes. ANSWERS. Bxeroise VII. 41 1. 110. 2. (a) $4.80 ; (6) $1.00. 3. $940. 6. 8 bushels. 7. 3 acres, 106 sq. rods, 22 sq. yds., 7 sq. ft., 72 sq. inches. 8. 79. 9. 14 days. 10. CDLIVCDXV. 11. 1000. 12. $40. 13. (a) $823.44 ; (b) $40.30. Bxeroise VIII. 1. £2, ISsh., 4d. 2. 12 minutes to 10 o'clock, or 48 minutes past 9 o'clock. 3. 5750 pieces. jq^ $2294 4. (a) 22 feet, 6 inches ; (b) 112. 11.* 100 per cent. gain. I- *2'- 12. 4320 times. 6- 385 tons. 13. (a) $85 ; r6) $1, 7. 180 bushels. 1050 g^^^ 9 Lf^''^'^' ^'^ 1008 second. ^' *^""- 1 1200 third. Exercise IX. 1. 320 loads. 2. 45 bushels pease. 3. $500. 4. $4.00. 6. $3600. 6. A $40, B $240, $360. 7. $25,620. 8. $73.50. 9. $1.75. 10. $100. 11. 35 per cent. 12. J. 13. 12^ per cent. Exercise X. 1. 28x0x17; 2*x62x7; 22x5x3x7*. 2. 22x3«x5; 22x3x7x71; 22x32x68. 3. 2*x3x52x7; 2*x239; 22x3x5x23. 4. 2*x52xll; 2»x33 ; 23x33x62. 6. 2»x6x 7; 2^x5; 2x33x11x13. 6. 28x3x5; 23x32x52; 22x5*. 7. 33x5x7x11x13; 2x3x7x11x19; 2«x52x7xU. 8. 2»x6; 2»x3«x52; 22x3*x62. H i 42 ANSWKRS. 9. 2« X 3 X 5' X 11 ; 2' x 6« x 13 ; 2« x 3 x 5* x 13. 10. 2«x3«x52; 2*x52xl3;2>x3x5*. 11. 2x6^x23; 23x3x5x47 ; 2''x5x7xl3. 12. 22x62x3x7 ; 22x3x6^x29 ; 22x6»x7. 13. 22x6x67; 2x3* x6-; 7x29=*. Exeroise XI. r » Hi I ii I. 11692. 8. 5040. 2. 7436429. 9. 6300. 3. 720720. 10. 1673100525. 4. 672. 11. 10810800. 6. 180. 12. 3255840. 6. 504. 13. 565081020. 7. 1630. Exeroise XII. L 610510. 8. 28728. 2. 6040. 9. 3300. « 3. 25200 10. 378000. 4. 8400. 11. 864. 6. 2620. 12. 1511640. 6. 6019589575. 13. (a) 3617800 ; (i 7. 277200. Exeroise XIII. 1. 477. 6. 89. 10. 39. 2. 788. 7. 13. 11. 267. 3. 192. 8. 3. 12. 4;i. 4. 47. 9. 3224. 13. 837. 6. 1 (Prime to each other.) Exeroise XIV. 1. 225. 6. 7. 10. 492. 2. 267. 7. 41. 11. 21. 3. 29. 8. 186. 12. 97. 4. 131. 9. 37. 13. 99. (. 4. ANUWEKS. 43 I. 2. 3. 4. 5. 6. 7 1. 2. 3. 4. 6. 6. 1. 2. 3. 4. 5. 6. 7. Exeroise XV. ^28320. 8. 2327926GI. 32340-1617 = 20. 9. «0-A = 676. 1680-108== 10. 10. 184J. 690760-147=4080. 11. l|. ' 720720-1001=720. 12 9 2227680-.4641 = 480. isl (a) ^ ; (6) G.O.M. 3 ; L.O.M. 128x2304 = 294912. 12 ; (c) (JO centa. Exeroise XVI. 13^. 8tVi. 14J. (a)3f;(6)2g«;(c)2^,U. 8. 6Jf5 and 5|f 9. 7iV2 and 4^1. 10- («) 5/i ; (6) 4f y^S. 11- (a) 1^ ; (6) 'm. 12. 3. 13. (a)63|f|§; (6)23 sq. yds. 5 sq. ft. 30 sq. inches. 1, 2. 3. 4. L 2. 3. 4. 5. 6. 7. Exercise XVII. (a) 11»^ ; (6) 100. 8. (a) 16 ; (6) 1^. ^^ 9. f ^ and if. f- 10. («) 8,V.«5 ; (6) IWJ. *• 11. 5 ; 144 ; 1^^. l^t- 12. |. ^^' 13. (a) 3i ; (6) jC. Exercise XVIII. 6- 6. 8. 1. 2- 2. 9. i 7. 1. 10. ej. 8. 2. 11. *. 12. 2. 13. m- 32 vests. 32. 93J yds. $3135. 1^ hours. Exercise XXX. 8. 7^^ acres. 9. 13§ lbs., or 13 lbs., 10 oza 10. ^• 11. iHs- 12. House, $2100. Lot, $300. 13. (a) 1089. (6) 2 quarts, 1 pint. ifi i II 44 ANIWBB8. Bxeroiae XX. 1. 2|. 16 2. Sum = lf§ ; Quotient 7. 6- — • 3+4 ^h 3. I, , and I 7. 70/^A. 4 + 6 8. 3108. 4. (o)L.O.M.382109;(6)jf^jfn. 9. 34iV2. , 3 10. (a) 4 ; (6) |480. kT* 11- 1- 12. St. E B 13 /(a) aV ; (c) G iil;i « ^ i IH i rAODB^rone whole rectangle. A C F E=J of the whole. G C F H=i of § of the whole ; = J or I of the whole rectangle, etc. (d) A ao.=19 sq. rods, 6 sq. yds., 64.8 sq. inches ; (e) 1. Exercise XXI. 1. 28656 ounces. 2. 13^ dozen. 3. 12 acres, 86 sq. rods. 4. $1.66. A 12 days. B 6 days. 6. 3 feet { 7. 16 miles. 8. 6880G00 sq. inches. 9. $4791.12. 10. 142992 cubic inches. 11. 26 per cent. 12. ^. 13. 6240. Exercise XXII. 1. 1900. 2. 11640. 3. $3430. 4. $6. 6. $34.28f. 6. $1000. 7. $8ioa 8. $311.11^. 9. mo. 10. $2.50 ; 3^5 cents. 11. 9000 sq. feet. 12. 1800. 13. (o) $49; (6) 1^ ; l^x $660.00 = $072.00. AN8WEI18. 45 whole )f tht) f f of =Jor whole tc. 1. 60.00 Exercise XXIII. 1. lOJdays. 2. $3. a $110.34. 4. 037. 5 «10. 6. $1057.50. 7. The latter, by f 10. 8. 607. 9. 21,^ minute*. 10. 819.78. 11. 350 bush els. 12. 1 ton, 1125 lbs. 13. (a) $80.04 ; (6) 3 days. Erarcise XXIV. 1. ^. 2. A $120, B $105. 8. C| gallons, 9. 64 men. 3. 84000, and 12| per cent. loss. 10. 70400 chains. 4. $222. 5. A 10 years, B 24 years. 6. A $00, B $SU, C $90, D 205, Hud £ $180. 7. 10 miles. 11. 27 cub. feet. 12. 4 lbs. green and 10 lbs. black. 13. 587 lbs., 8 0Z3. Exercise XXV. 1. $900. 2. 120 hats. 3. $87.50. 4. 40 per cent. 8. $nf).00. 9. $200. 10. $397.50. 11. 40 per cent. 5. A $22.50 ; B $15.00 ; 10.00. 12. $8.00. 6. («) ^ ; (i) ^. 13. $90.8085 an acre. 7. $12.00. " Exercise XXVI. 1. (a) 5 hours ; (6) 5 miles. 2. 200 yards. 3. T*g-. 4. 140 lbs. 6. $00. 6. 200. 7. 105 acres, 128 sq. rods. 8. 15 gallons. 9. $42 safe, $147 contents. 10. 12 feet. 11. $150, $200 and $250 for A, B and C, respectively, 12. $750. 13. 35. t ■; ^ V, ■ifl 46 NNHWKIia. Exorcise XXVII 1. 8.30 o'clock, or 24 mimit,"H to 9 o'clock. 2. 10 rods. 3. 1280 ju; res. 4. 22^.1. jHT 11). 6. .'?H W.irnils, 127 Uts. ; iiid 25 Ib.s. in a hug. G. $152.UO. 7. $0. 8. 1 ftcro, 38 H(|. rod.s, 29 Btj. yds., o sq. foot, 1)0 8q. iuchoa. 0. |iU2. 10. 9.41 ,7;^ o'clock. 11. 8 days. 12. 143] j por cunt. 13. (a) 87318 bushols ; (6) 351 times ; (c) 8120. 1. $!2IO.fl3. 2. $4.50. 3. 82252.25. 4. 602 carats. 5. $14000. 6. 5 dozen. 7. 1000 papers. Exercise XXVIj.1. 8. 103(J acres, 127 sq. ruds, 30 sq. ydi^., 2 sq. foot, 30 sq. in. 0. 4 duzon. 10. TfYff. 11. 12 o'clock, noon. 12. 405, 300 and 324, respectively. 13. 82,305,800, an acre. 1. 280 sheep. 2. $900. 3. $7.30 an acre. 4. M a cwt. Exercise XXIX. 8. 27390 feet. 9. 109 foet. 10. (o) J ; (6) 25. 11. $37800. 5. 1400 fivo-cont pieces ; $74. 12. $42834.00. 6. The first, by 703 lbs. 13. 1 foot, inches. 7. $71.28. - Exercise XXX. 1. 1713G times. 2. ((t) (2x2x3x3x6), (2x3x3x5x7), (2x3x5x6x7x7). (h) I. G. C. M.=: (2 X 3 X Hi the (jrentest solection of common factors of those numbers - 30. II. L. C. M. = (2=^ x 3^ x 5-' x 7 -) the smallest selection of factois, including the factors of each given number = 44100. ANBWKRa. 47 7). iors the ven X ((I) (H X 5 X 7 X 13) uiid (2 X fi X 5 X 7 X 13). (/>) (i.) 0. 0. M. in o.|ii!il t«) (^{"i X 7 X 13) = 45'> ; (ii ) L. r*. ^^ i-* rquul to (2 x 5 x 5 x 7 x 13x3) -- 13«;:>0. ((•) (I.) Fr.im (/*) (i.) iiii.l (ti.) wo hiivo <;. (' M. x L. ('. M. — (."> X 7 X 13) X (2 X 5 x .» x 7 x 13 x 3) = (;i x a x 7 x 13 x 2x5x5x7x 13) (ill tho fuoiors tif \:'A\it aixl ITmO ; (ii.) fiDiu (c) (f.) wo sou tliiit (». 0. M in oompM.si-jl of tlui factors «)f IIUm jiIkI 4r)rtO ioJoiiUmI hy ]j C. INI. iviicl cjrc rrr.sd : (III ) (i. C. M. ftiid L. ('. M. uro iiiJiilo ii[» of all tlio factors of 13(;r) ami 4.">.'ti) [<•. (i )J; thtTt'ttirc < J.(', .M. X L. C .M.= proiluct of the two nmulu-rs (liociuso (J.C.M. aiid L.C.M. — a// //(»•/(((/(;>•:< of tilt' ^iviu nuniliurs) ; (iv.) siiuo («.(!. .M. X Ii, C M. of tho two miniht'rs product of iiiiiiibtMs ; thortforo tiioir product -j- ono of tho niinihers -= thu (»tlu!r miiui)or, iviid cice versa ; ^v.) Kiiico j)r iliiys. 10. $U\VA.20. 11. i'Hi, iStorling. 12. mn. 13. (a)50cuntii (b)L.U.M.,90 ; 73 tim«ti. Exeroise XXXIII. 1. A $4.60. D 92.00. 91.80. 9. 357, the ^'niifor ; and 136, tha 2. 200. 3. 95,700. 4. 20 per cent. 5. 1|3. 6. 210. 7. 22. 8. 6G7, L.O.M. 1. 92. 2. November 19th, 1888. 3. 40 per cent. 4. 9200. 5. First cost, 94 ; second cost, 92. 6. 9131.25. less. 10. 100 lbs. of tlie dearer, and 120 of the oheapur. 11. 70 cents. 12. 2f per cent. 13 (a) 87000 cost, 98U0O iisking price, lii<7500 selling price ; (6) 932.00. Exercise XXXIV. 7. 200 buHheli. 8. 4 per cent. 9. C6§ per cent. 10. 96876. 11. (a) 57} J; (6) 35 J. 12. 9 years. 13. (a) 16 feet; (&) 36 years. Exercise XXXV. 1. 3^ years. 8. 94800. 2. 4 per cent. 9. 954. 3. 91800. 10. 9504. 4. 112 barrels, and 500 boxes. 11. 4 time?. 6. 20, 80 and ICO. 12. GiB; :2:3 (or 120 lbs. green 6. 610 cords, 60 cubic feet. and 180 lbs. black). 7. 5166 acres, 119 sq. rods, Osq. 13. (a) 336 ; (6) 92.36. yds., 2 sq. ft., 36 sq. in. Asnwr.RH. 41 Exercise 1. 9607-60 Amount (principal ami interuHt). 2. 6 pur cunt. 3. 12^ yeiwn. 4. The luttur by i|5440. B. i 0. 84. no. 7. $33.76. XXXVI. 8. 5686 miloH, l(t60 ynrdn. 9 10 tons, 1800 ll>s. 10. ISucruM, 157 h(|. rods, i:(U H({. yde., 6 mj. fuet. 11. $ir>.m 12. I'flO. 13. 3170 iniloH, 80 rods. 1. 4 per cent. 2. 25 per cent. 3. 3000 men. 4. 857.00. 6. 2040 times. 6. *tO coiits. 7. 90 dfiys. 8. $1760. Exercise XXXVTI. 9. 20 lbs. at 40, 50 and 76 cents, roHpoctivcly, and 9 lbs. ut 80 cuntft. 10. 385} per cunt. 11. 813:{33J^. 12. $92. 13. 104 yds. at $1.80 = $18720 (practically); 26%. Exercise XXXVIII. 1. $1880. 2. $327.00. 3. 9}j| diiy.s. 4. 3 min. [icr hour. r». 00 ij;all<»ns. 0. 3l,6.']0,000 seconds. 7. $180.00. 8. 4 montlis. 9. (a) Side moasuromont, 32 sq. ft. to a cord, (h) In tiers lengthwi.so of the pile. 10. $271.26. 11. 8 lbs. at 50 cents, 6 lbs. at 70 cents. 12. 18 gallons. 13. (a) $10 ; (6) 30 cents. 1. 4 hrs., 35 min. 2. 150 por cent. 3. 20. 4. 420 sq. inches. 5. 02 i'y per cent. 0. $24.80. 7. i Exercise XXXIX. 8. 07n2 ; 1079, sum. 9. $8. 10. $4.20. 11. $75. 12. $22.60. 13. (a) 70 tons ; (b) $384 50 I ANSWKIW. Excrcitte XL. 1. ♦5B1V 2. FiiKt, 70; iocond, 140 ; thiril, CO. 3 171.16. 4. I')1,h;»||. i\. Mil. 7. 00 Iba. 8. A, 80.00; n, $|..10 ; C, m.Wtl I), 8rj.<;(). 0. 1)1 » (Ivuh; 80 to Hi. 10. 81 1:;2.:}2. 11. e.m.uO. 12. IIX 13. («) in coi»t«; (6) A, $350; U, 650 ; 0, 6250. Exorclso XLI. 1. 87000. 8. •J 2. ('0 if'.^b) 8?;('^) i. 0. 4 per cont. .^ 8 1< '75.20. 10. 107 c.ii t-loadg. 4. i) iiiiloH. 11. 5200. 5. 8175.50. 12. fiO per cont. 0. I of ;m inch to tho mile. 13. 6 p. III. 7* 00 conts. Exorciso XLII. 1. (a) 10 minutes ; (6) 3 miloH. 8. 3;V\ per cent. 2. 4:}2(laya. 0. 81U50. 3. $X]3. 10. 82 10. 4. 12 (liiys. 11. 1(5 (liys. 5. 81410. 12. l\ por cont. gain. C. 24702 ton.s, 1678 lbs. , 2 ozs. 13. 5 pur cont. 7. 2 games. Exercise XLIII. 1. (a) 80 cents ; (b) 3 J per cont. 8. 2 lbs. 8 ozs. 2. 2000 gallons 1. 0. 12 per cent. 3. 48 tons. 10. 15 cents a cloz. , before ; 12 4. 8150.00. cents a duz., after. 5. 6 per cent. 11. 8244.48. 6. 827.50. 12. 20. 7. A. $40 ; B, 8120; 0, 8180. 13. 884. ANMWKKH. b\ ; 12 1. fi.ia. Exflroleo XLIV. 8, 8nt8. 7. n2. 11. 8«il88.80. 4. 210.5. 8. 112. 12. 7:5. Hi. (fi) turkoy.s, 3 ducks, 2 gcoRo and 2 chickens ; (b) £10 Ush. lid. Exerciso XLVII. 1 . 7 J 5'. 2. Yes ; bocftuso it i.s tlio nio.'vsmo of ii ([uantity. 3. Due Doc. l^th, 1891, hut must bo paid on tliu IGth Doo. (3 days' grace) ; 8C54 will redceni it. 4 81.55. 6. 6. 6. A, 85G0.00 ; B, 8784.00 ; C, 811 20. 00. 7. $180.00. 8. 132. 9. 42. 10. 81287.45. 11. 8420. 12. 25 per cent. 13. (a) 840 ; (6) 1 ft. 4 in. .4 i 1 1 ^' (i I .' If 'H ■ ■ n 'i ii '■■ ii 62 ▲NSWEKS. Exercise XLVIII. 1. $140000.00. 2. A $14.00 ; B $70.00 ; $28.00. 3. 13 sq. fcot, 153 sq. inches. 4. A /20,Yf gallons of wine. \ \ 'JiY-r g'^^'ons of water./ 7. Sum $800.00 ; Shores 8. 4. 9. 33.33^ less. 3/ ^iYt gi^ll""sof wine. 1 10. 73^ cents. \i0^^f gallons of water. / n. is Iba., 12 ozs. 5. ^»0. 12. ^90. 6. $30.00. 13. (a) 504 rails ; (6) 515 yds. Exercise XLIX. 1. $122.88. 8. 81. 2. 115 yards. 9. Cfi trees. 3. 12 horses ; 108 sheep. 10. 13^ % gain. 4. 100 gallons. 11. 135 ounces. 5. 8 per cent 12. 660 times. 6. 700. ,« /201bs. ateOcenta. 2^j. "^'^" \30 " "70 " 7. Exercise L. 1. $11,900.00. 8. 32 dozen. 2. 80. 9. 37 f per cent. 3. 7,115,505. 10. 7 X 907 ; 22 X 3" X 5»{ 4. $183. 28x52. 6. $U5.71. ^"^ \32^V " 6. 7. 8^1jerceut. 13. $246.31f Exercise LI. 1. A, $30 ; B, $48 ; C, $40. 9. Both (a) and (6) Theory ; (c) 2. i5^1«. (I.) U ; (" ) 62 ; (d) (I.) 3. m 9091; (II.) 61 ac, 96 rods. 4 Clay, 60 feet; sand, 12 feet; 26 yds., 6 ft. 108 in. rock, 18 feet. 10. $103,000. 5. 13 days. 11. $72. 6. 28. 12. A, *615 ; B, $1026. 7. 6040. 13. 40 cents. 8. 6 days. ANSWERS. M Exeroise LII. 1. 660 acres. 8. 027046. 2. 60 per cent. 9. $100. 3- 2. 10. 2880 times. *• 5 lbs. 11. Lose, $1400. 6. -$60. (He is $60 in debt.) 12. 25 ft. 6 in. long ; 17 ft. in. 6. (a) 71 ; (6) 1,244.880. wide. 7. A, CO days ; B, 180 days. 13. (c) $91.26 ; (6) 28 cents. 1. $1 26. 2. $200. 3. $649.97igf. 4. $6864. 5. 5;\ cents. 6. $677.60. 7. $28.75. Exercise LIII. 8. $44.00. 9. $764.00. 10. $32. 11. 242. 12. $497.61. 13. 114. i. Exercise LIV. 1. $80 per annum. 2. $8500.00. 3. (a) h ; (^) A'.. 4. 17 days. 5. 40 days. 6. $192. 7. A, $480 ; B, $360. o. $3. 9. H. 10. $170-555264. 11. 40 barrels. 13. (a) $189.00; (6) $75.60 'li Exercise LV. 1. A, $242.10; B, $121.05. 2. The ninth = 9 x 450= 4050. 3. 7^ per cent. 4. 28000. 5. 1048 yds. 6. $560. 7. $400, first ; $350, second. 8. 225 bushels. 9. 2 tons, 913 f^ lbs. 10. L.C.M. 40320; H.C.F. 133. 11. $15.48. 12. 456 bushels. 13. (a) $12.75; (&) 16 acres. 54 A.NSVVEUS. 1. 18 times. 2. 43 tons, 400 lbs. 3. 704 bushels. 4. $2154.27. 6. 2 tons. 6. $54.45. 7. A : B : : 45 : 32. Bxeroise LVL 8. $4375. 0. $1.05. 10. 5. u. $a.mo3|. 12. $121.21 J. 13. $7.00L'ain. Exercise LVII, 1. 45 sheep. 2. $320.00. 3. 4 per cent. 4. $903.90. 6. $192.50. 6. 1^. 7. $81.60. 553.55. 8. $8.00. 9. 23 H.C.F.; and 211 L.C.M. 10. $19.80 + .i!33.75 = 11. IJ of cost. 12. $9405. 13. (a) $34.66 ; (6) $18. Exercise LVIII. 1. h 2. $20.00. 3. (a) U : (&) If ; (c) 1. 4. 28|%. 5. 117,612 tons. 6. 2 tons, 56 lbs. 7. $84.00. 8. $4.80 (80 cents each). 9. $31,500.00. 11. 3^. 12. 20 miles. 13. $1000. Exercise LIX, 1. $30.00. 2. The former ; $6.00 saved. 3. 2^ L.C.M. 4. 35 (lay.s. 5. $21.07. 6. 10 years ; f> per cent. 7. 4 per cent. 8. $30,000. 9. $532. (Quintal =lcwt-.) 10. $13.80. 11. $350.00. 12. 3 days. 13. 60. m ans\vi:h8. bb Exercise IjX. 1. ^17.01. 7. ^^j of a ton. ■• /First, 170 bushels. 8. G,l!)H,O8O,O0S,401,003,412,80O. i ■■ 2. . Socoiul, 170 9. A, .-J.'JlI.OO ; B, SIJO.OO. 10. 870 bbla. 'It 3. 1,V 11. 4 acres. 4. 81.00. 12. IfrSi 5. 107 rr. 13. SJ80. 6. A, yOO ; B, 300. 1 Exercise LXI. 1. $34.40. 2. 7,V ; $2400.00. 3. 32 (biys. 4. A, 450 ; B, 400. 5. $125. 6. 1 ton, 025 lbs. 7. $38.70. 8. $240. 9. $1400. 10. I 11. $10. 12. 80 dozen. 13. (a) Gains 10 per cent.; {b) 27 tiiuea. Exercise LXII. 1. $270,000.00. 8. 408 yards. 2. A, 8480 ; B, $100 j C, $040. 9. 8%. 3. $24.00. 10. B, $1.02 ; G, $2.04. 4. $73.00. 11. 45 gallons. 5. 243. 12. $87.50. 6. $153.00. 13. 1, 4, 3 and 2 lbs. resp., (or 1 7. $27|375. lb. of each, for another set.) Exercise LXIII. 1. 13^. 2. 8L tons. 3. $1300. 4. 20 per cent. 6. $10.40 a head. 6. 00 miles. 7. $300. 8. 1 day. 9. 117,023. 10. $1304. 11. 8. 12. 5.20 p.m. 13. (a) 110 sq. inches ; (6) 1320 sq. inches ; (c) 2354 sq. incliea. I : 1 Ij ; 6e ANSWERS. Exercise LXiV. 1. 164 Bq. inches. 2. 10 feot, 6 inches. 8. 56 yards. 4. 1886 sq. yards, 4 sq. feet, 72 sq. inches. 6. 8 acres, 23 rods, 8 yards, 2 feet, .3(5 inches. 6. 7r(802 - C0») 8(1 inches = 3f (140 x 20) sq. inches = 6 sq. yds., 7 sq. feet, 16 sq. inches. 7. 1078 cubic inches. 8. 605.14 ... + . . . sq. inches. 9. 891 cubic inches. 10. 20 inches. 11. 42 rods. 12. 20 inches. 13. (a) 9 feet, 4 inches ; (6) 44 sq. rods, 6 sq. yards, 6 sq. feet, 72 sq. uichos. Exercise LXV. 8. 50Jg days. 9. 303 dozen and 4, chairs. 10. He would neither gain nor lose. 11. $120. 12. m. ^Vm i^ ; lA. 13. 10 years. 1. 2. $1201.40. 3. $105.12. 4. 8 : 5 respectively. 6. $230. 6. (a) of, first ; -r, second X , third ; (h) 3iV5. 7. (a) i«A. (b) iif . (c) ih Exercise LXVI. 1. (a) 9i; (6)9J. 8. $2707.20. 2. $0.00"! 9. $133.20. 3. Either directly North or 10. 1st, 205 ; 2nd, 328 ; 3rd, 4th, South. 5th, etc. ... to lltli, 123 each. 4. $121.70. 11. $100.70. 5. 7800 miles. 12. $390. 6. 9 acres, 52 rods, 24 yards, 13. (a) 8^ ; (b) 48 cents, tea ; 40 3 feet 21 g inches. cents, coffee. 7. 21,315 lbs. ANBWSB8. 57 Exercise LXVII. t. 1. 2. 91.26. 3. 9j'y lbs. 4. 46 sheep. 6. 733 yds., 1 ft. 6. 4^ hours. 7. 1 pint. 8. At A '8 comer; once. (But A will have reached his corner the second time'. 9. Horse, ^240 ; carriage, $400. 10. $560. 11. 030. 12. 20 per cent. 13. 9^ inches. Exercise LXVIII. 1. (a) Book-work; 3341520 ; (6) 37 ; 3rd, 4th, 5th, 0th, 7th, 8th, and 9th. 2. (a) Book-work ; (6) $14.37^ ; (c) 25 per cent. 3. (a) Book -work ; (6) 150 barrels. 4. 75 cents. 5. July 13th, 1890. 6. 2 days. 7. 7. 8. Book- work; 375-70446355. 9. (a) $32 ; (b) 104 days. 10. 046.71. 11. 11 dozen. 12. 67. 13. $60, A's share ; $50, B's share and $36, C's share. Exercise LXIX. 1. 6 days. 2. 4 hrs., 22 min., 30 sec. 3. $4.50. 4. 13 miles. 5. 4 lbs. 6. 26^ per cent. 7. ^ of an acre. 8. 13 lbs., 8 028 9. $43,200. 10. (a) 2,505,600 (6)7 times, 11. A, $70 ; B, 12. 664 lbs. 13. $16,044. sec 8. J 58 AN8WKK8. Exercise LXX. 1. 80 yiirdfl, 2. 45 acres. 3. (»3 cunts. 4. 82400. 5. .«(:M)42. 6. .^(iO. 9. 1st, .Sr.OO; 2ii(l,$l'J00; .'Jrcl, .":<()()() ; Ifh, JjliTOO. 1.0. .siivj.h:).;. 11. 147 Hi{. rods, sq. yds., 8 aq. ft., no sq. in. 12. 70 times. 7. A, $100; B, !iiil50; C, §250. lo. ^bU.Gl). 8. $13500. Exorcise LXXI. 1. 28 per cent. 2. 50 lbs. and 37 J lbs. 3. 1221. 4. $002.40. 5. 300. G. 80 per cent. 8. 244 iicrcH, 88 rods, 22 s(|. yards, 7 'Scj. foot, 72 8(1. iiiolies. 9. A J?t ; B S87.50, and §2G2.50. 10. (a) 810 ; (b) £3, 33, 3d. 11. $18.'J0. 12. 37. 7. $40.30 gain. 13. (a) 28512 ; (h) (i.) By the ' local value* of a digit i.s meant its \^aluo according to (he /)o>s//io/t it or.cnpii'.i in oiir scale (dec;im;il scale) of NOTATION, (ii.) First its null or iutriiuiic value as tJu; number 7 (7 time.s the unit) ; and second, its ^hxud value' in the tkns' place (7 tens, or 70 times the unit), (iii.) 6xLiC LXXXIGMXXI V. II M Exercise LXXII. 1. (a) Book-work ; (6) 247 ; (c) 442857. 2. (a) Tlieonj : Fiuite, Pure Rcpotend, Mixed Repetond, respect- ively. (If the denomiiiatiii- of a fraction c(jntains no other factors than 2 or 5, the decimal Ia finite ; if the denominitor contains neither of the fti-tnrs 2 or 5 it is a pxre repjtouil ; bur if it contains either of the fa-tors 2 or 5 it is a mixed repijtund.) (l)) (r.) ^Vj ; (ii.) /j- ; ^171 \ 22 7 8 3. i 4. $610. 5. $10. 6. '078125. 7. $675. a H.O.F., 41 ; L.O.M., 34,440. 9. LIXCCXXIV. 10. $384. 11. $41.25. 12. 101 barrels. 13. 1036 acres, 128 sq. rods. ANBWBK8. 09 Exercise LXXIII. 1. 72 gals. 2. 37i%. 3. Tho latter, by $1 on $100. 4. $17.81. 6. 10 hra., 48 inin., »i.m. 6. Lun;,'th, 27 ffc.; broiidth, 18ffc.; height, 13 ft. 7. $1.07. 8 $240.67. «. if. 10. 3 sli. St'g. 11. 2 niilus. 12. 7 ft. 13. 1100. Exercise LXXTV. 1. $72. 2. Total, 14215. 3. 2 ozs., 13 d\v 8., 4 grs. 4. $i:U3. 6. C0%. C. (a)303G; (6) 81.(ir5rnrackot8) u. ^^. 7. A, 54 ; B, 3G; C, GO sheep; 12. $22.16, $5 per head. 13. $5.10. 8. A, $10 ; B, $8 ; 0, $22 ; $2 ft (lay. 9. 15 045. 10. 71 uc., 98 sq. rods, 29 8q.y(l8., 1 sq. ft, 54 sq. in. II Exercise LXXV. 1. $604.80. 2. A, 123 lbs., 6 ozs. ; B, 1G4 lbs., 8 ozs. 3. 54 yards ; $2 left. 4. $23.04. 6. $2G4G. 6. $19.08 gain. 7. 28 lioura. 8. 27 acres, 20 sq. rods, 15 sq. yards. 9. 54 minutes. 10. 15 miles. 11. 42 acres, 108 rods, 7 yards, 81 inches. ;4i+(^ of T"n)+aof ,",)■ 13. 23G250. 83J 60 ANRWBKS. 1. 216 yds., 2 ft. 2. 16 days. 3. 60 per cunt, 4. 240 11)8. 5. 5 per cent. 6. 13 cents. 7. $43.20. Exercise LXXVI. 8. 24 days. 9. 9 cents. 10. 30 lbs. 11. $967 50. 12. 4(jr%. 13. 3 cents. 1. 25 cents, 2. $3872. Exercise LXXVII. 7 J 75 hours. 8. 45 minutes. 3. 32 bbls. at $4.50 ; 113 bbls. 9. A, $1H() ; B, $100 ; C, $280. at $5.00. 10. l«ii i)ercin^ 4. A, $90 ; B, $70 ; C, $040. 11. Tom, .*o.91 ; «nd Bob, $3.44. 5. 99. 12. *55.12gHin. 6. 3 diiks. 13. 41 acres, 120 rods, 19 yards. Exercise LXXVIII. 1. $43.20. 7. 33. 2. 9 -4 1,^5 p.m. 8. $360. 3. Each man $15 ; each woman $6 ; each child $1. 9 $50. 10. A must pay B $0.50. 4. $81. 11. 48G lbs. 10§ ounces. 5. $95. 12. 07. 6. 23 lbs. 13. 492 bushels ; i*. Exercise LXXIX. •1. $28. 2. $48.64. 3. 20. 4. 1522 yards. 6. $6000. 6. 13 miles. 13. (a) $9210 ; ) (1), H.C.F. 89fj (-16128 1^ .81536 9] 7. 30 cents. 8. 5 per cent. 9. $7.20. 10. Note {face value), $584, 11. $112. 12. $73. $ 16128 2304 288 18 [ 81536 11048 1466 91 9 (3) - X — 1 iiip()so0, the L.C.M. ; but tho.so are all the factors of tliose two numbers; therefore the H.CF. x L.C.M. of anij tir , nuuibirs is the , ^ . ^, . , H.CF. X L.C.M. of • 4- ^ (| of |)+2A )•-•(*'< d'n + l/o))- --= + ix =18. 7 fofjil 2A la'i, 7 8. 20 at $3.00; 13 at «0.r.O. ». llOfonii. 10. I.iii^tli, (>4 ft. ; bromlth, 48 ft. ; hoight, 6 ft. 4 in. 11. 12(luyH. 12. 00 galloiw. 13. 910.60. Exercise LXXXII. 1. A, 20 (lays ; B, 27i duya. 2. 30. 3. 26 times. 4. 980. 6. 4 pur cunt. Ioha. (i. $1.20. 7. A, $180 ; B, $240. 8. $M()24. 9. 15 days. 10. $429. 11. $9000. 12. 373. or. not. 13. I of an inch. Exercise LXXXIII. 1. Of all fhe fadorsol tlio two niniiljcrs ; hencoL.O.M. x II.C. F. =J'rodnct of tho two nuniliurs ; 170,0130. 2. In tho sinipUi rulus the unit is uniform; in thu compound _ , r Product "1 rules it vanes ; V [ q^ ». . ^. J = sumllor numbur— 0,081 ; and V (Product X Quotient) = large number = 1,800,807 ; 1 tb., 2 ozs., 12 dwts., 10 grs. 3. Same ditlorence as between simple and compound rules ; in decimal fractions the unit is uniform (decimxil iCiiU)^ and in vulvar fractions the unit varies ; 2 ; 1300669C15. 4. (6 strii)s=2 double rolls) $245. 5. $1426. 6. $22.50. 7. $5000. 8. 250 gallons. 9. A, ISO; B, $90; C, $100. 10. 15 ozs. 11. 2. 12. 3 horsesas2 oxen. 13. $ia i* ANflWlKt. 63 Exercise LXXXIV. 1. i 2. $42. 3. f 6 14 11)8. tua; 30 lbs. oollue. 0. 8(;:j.75. 7. £05. 8. 0.37500. 9. A, «tO; B, «00; 0, 9(). 10. 33. 11. $1.50. 12. $504. 13. 13004, Exercise LXXXV. 1. £24 Os. 2d. 2. Wljeut, 40 bushols ; barloy, 00 busliuls. 3. $100. 4. 30 rods. 6. 00 coiits. 0. A, $00 ; B, $75 ; 0, $90. 7. $122.20. 8. 6 ft. 0. $50.40. 10. ,k. 11. $45. 12. $7188. 13. $310.10. Exercise LXXXVI. 1. lOdayi. 2. $531. 3. 8 (lays. 4. $8.89. 5. 8 miles, 80 rods. 0. 6. 7. $79. 8. $90. 9. Each eqtials— 04 sq.rods, 9 8q. yds., 5aq. ft. 10. 9 hours. 11. 300. 12. 82?!}J. 13. $329. !H Exercise LXXXVII. 1. 6 days. 7. 750. 2. 25 cents per hour. 8. 11.30 o'clock p.m. (every lOi 3. A, $027 ; B, $2090 and C, $3443 hrs. ) 4. 3^ per cent. gain. 9. 31. 5. 700 bbla., 7 gala., 2 Iba., 14| 10. 9. oza. 11. $140. 6. Rye, 70c. per bush. ; barley, 12. $kt.40. 50o. per bush. 13. A, $81 ; B, $90 ; 0, $108. H 64 ANNWrHH. / Bxorolw* r.XXXVIII. 1. lOdityt. 4. $1.75. 2. 7. 6. «:m.40. 3. A, $n2.2<) ; h. «tuj, 10 ; c, n. ;;()o foot. (Outs, «t:Uil.HO ) 7. I W|i..ir., ^!>'MM.MJ, :8ii \). :? 17.50. 10. 24 I)iisIi..|h, 27 lb«. 11. 2381400. 12. I l.'l. A, rmo ; n. $420 ; 0, BxorolRft LXXXIX. 1. 3 yearn. 2. 8701.10 not. .3. .'i7 IxihIuiIh, 24 lh». 4. 41 cwt., l« lbs. 6. 14 acri'8, 15 roils, H \;inls, 2 ft., :{() iiu'luiH. 6. A, $27 ; B, !|3t; i C, !ii!46. 7. J?7.(M). 8. *!1510.00. 0. i:u,:{H4.(M)nij«?j. 10. 0. 11. .'{ CDllts. 12. 8 por cunt. 13. Sum of quutiuntN, 437. 1. 289. 2. 00 0,414,408; (6)180. 3. 80 pounds. 4. ^270. 00. 5. $945.00. 6. 05 cents. 7. 8 per cent. Exercise XO. 8. JiJ(M20.(X). 9. .'to anirnula. 10. $75(10. 11. First,, $21.(50; Rocond, $18; third, .ii«15; fourth, $12.60. 12. $17.00 and $8.20. 13. 84 inches. Exercise XCI. 1. £96, 16 sh., 8d. 2. 36 cents. 3. $290.00. 4. 82 do/.ou and 6 egj^a. 5. 100 acres. 6. 18. 7. A, $450.00 ; B, $400.00 ; 0, $350.00. 8. 10 per cent. 9. 45 square yards, 1 square foot, 72 square inches. 10. 90 times. 11. 3.65 o'clock, p.m. for it lacks 5 minutes of 4 o'clock, p.m.) ANHWHIU fi I 7btiO ^2 X 'i X 2 X M M 3 X 8 X ft X 7. 18. { HS'.»0 2x2x3x3x5x7x7. I 44 WO- '2 H 'J X ;u :i ,' ft X 6 X 7 X 7. Now tliK ttmolhit Huli.ftinii of fartorN which cuntninii th« fuotitrM of ttuoh ({ivuii iiiiiiiltKf U ; [-< (2x2x2x;iK:Jx3xf») 7)x7 >• xft|— 2«;i.n»io IJ- M. Atui till) ifiriititif sfli'i'tinii of fitt-tor'H coiiiiiioil t«i thuntf iiuiiiltnrM in; 2x2x3x3x5x7-'^ I'JiiU U.C.i>. 13. (a) 21 yuttri i (6) 9745. ExHiciHe XCII. 1. H of a ton. 2. 1(H) ruOa. 3. 1440. 4. 1081). 6. (a) «K)48 ; [b) 112320. 6. .'K)iiiiluR. 7. iiiilutt, 240 rinlN. 8. JJJ^J^ • 44362 eliiien. 9. 0. 10. 842.00. (K:^ Ctsilinji thrco times ordinary height.) 11. 820 too. 12. 817.00. 13. 815.00. ) 1. i^S.P.^iC.P..- ^of80y0 ; L, 8440. 8. $1*)5(). \). .$27.00. 10. i?20.59. 11. .^182. 12. 11,0*8, ICO. 13. (a) 8049 ; (6) 25%. 66 ANSWERS. Bzercise XOV. 1. $405.00. 2. 84. 3. (a) Reduce them to fractions liaving a coniniuu denominator. (f>) lifh. ('^) t'3, ,¥5. f I- 4. 4,735,008. 6. 47 times. 6. 5 per cent, 7. 8 years. 8. $16.00. 9. 87^ cents. 10. 48 weeks, 3 days. 11. 50,424,201. 12. $18.00. 13. (a) $20.75 ; (6) $9,441 + • • • Exercise XCVI. 8. 4. 1. $160 ; 400 dozens. ^' ¥8" 3. 2 miles, 263 rods, 1 yd., 2ft., 6 inches. 4. $24.00. 5. 12| per cent. 6. 14f per cent. 7. $630. 9. 2 7' G> t> Fff* 10. 14. 2198^1 11. ■2813 12. Ii5 lbs. 13. (a) 25 per cent. (6) 1 2 lbs. Exercise XCVII. 1. 2 mile.s, 99 rods, 2 yards, feet, 6 inches. 2. 87120 times. 3. $339.57. 4. A, $1014 ; B, 2535 ; 0, $3549. 5. $0.65. 6. (a) 12 acres, 80 rods ; (6) $3250.00. 7. $6624.00. 8. $26.46. 9. 7 per cent. 10. 128,755. ' 11. 4^ miles an hour. 12. $3.05. 13. A, $6.12 ; B, $5.10 ; 0, $2.^4. ANSWERS. 67 Ezerciee XCVIII. 1. $34.15. 2. 3. 3. John $507 ; Robert $42. 4. $03. 5. 35 6. $40,32. 7. $1300. 8. 5. 9. 411 miles, 200 rds, 3 yds, 2 ft. 10. $00. L.O.M. -840 11. 66. TT.C.F.=16 12. 44 n>. 13. $147.00. Exeroise XGIX, 1. 6. 8. 3 days. 2. $85. 9. 13 acres. 3. $8. 10. S., $420 ; T., 3 years. 4. L.C.M., 10^; G.O.M., J. 11. 7^ days. 5. 12 sq. rods. ,.> /Papering, $1.70 \ .a^ qn 6. 25 pur cent. ^"- ) Painting, $22.63/ «'^*-^»- 7. A, $108 ; B, $144 ; 0, $288. 13. $91.01. Exercise O. 1. (a) 13 (H. 0. F.) ; (6) 7176 (L. 0. 2. $17.50. 3. Product, 69,010,080 ; sixty-nine tliousand and eighty-six. 4. 350 tens ; 475 twenties. 5. 025. 6. 10 gallons. 7. $23.37i 8. (a) $25,000.00 ; (6) $21.40. 9. 13,089. 10. 20 cents. 11. (a) I of ^ of 1 ; (6) A compound fraction ; M.) millions, six hundred and ten E n p (c) A f B 4 G O 12. A, $20 ; B, $60 ; 0, $20. 13. $126.00. Finish out, dividing the whole Fig. E GDF, so as toshow it as composed of eighths; then, A C D B is three out of the eighth, eighths, or § of whole Fig. EGDP. 68 ANSWERS. Ezeroise 01. 1. ^347. 50. 2. 27 cows ; 3. 115.75. 4. 9-44+.. 8. 1180.00. !?35 each. 9. $276.00. 10. 25 cents. 11. 90 cents. 5. A, $4.00, B,$3.00, C, $2.'-.s XI; and XL stood for GO, and was read sixty, just as LX, etc. Jheir system of notation was by units, fives, tens, fifties, hundreds, etc., instead of units, tens, hun- dreds, etc., as in our system, the symbols being written in that order, and each one repeated in accordance with their syslcn of notation — I and X might be repeated four times, but V cr D would not be required to be repeated as two V'a = X, and two D's = i>I, ANawKi:s 78 etc., etc. In writing their down, place like symboln under eaoh other, i.e., units under units, fivoa untlor fives, tens undtjr tens, etc. (o) DCO LX CC XXXX DCCC XX Villi (6) MM L XVIiri MDCC XXV MM CCC XXXXVmim. CCCXXXXIlIIditJ. (c) MMC CCCC CCCO CHHJO CCCC CC XXXX II (d) LXXXXV XXV)I\IDCCC XXV(LXX1I1 quot. M CCL XX XX XX XX X D LXXV CCL CCC XXV CCL MMMDCCCCLXXXX prod. LXXV XXV XXV XXV XXV 3. $7000.00. 4. 3 miles, CO rods. 5. $5070.00. (>. $490.10. 7. $33.75. 8. 16 hours. 9. $5011.20. 10. Lose $1.. 50. IL 270 8huL"p. 12. 117. 13. 233^ per cent. 1. $20. 2. $40. 3. $45. 4. $G0. 5. $7. 6. 8 dozen. 7. 63 gallons. Exercise VII. 8. $77. 9. 12 per cent. 10. 31. 11. A, $48 ; B, $72. 12. $05. 13. 54 cents. 74 ANBWKHA. I 1. 03^ barreli. 2. 3fi30. 3. 31 4*^7 quarts. 4. A, $200. 00 ; B, $125,00 6. 15(51 barrels. 0. 30 barrels, 18^ gallons. 7. $108. Exercise VIII. 8. 81.00. 9. Principal, $350.00, tiino6 yrs. 10. (a) $1.20 ; {b) $2.00. 11. $2.00. 12. Principal, !|i'725, time, 7 yrs. 13. A, $27.00 ; B, $30.00 ; C, $45.00. EzerciBB IX. 1. $825.00. 2. $501 ).00 ; $300.00 3. $24 : $40. 4. $9.10. 5. 1444. 6. 4141. 7. 30 cents. 8. CO per cent. 9. 90. 10. h 11. $2.00. 12. (a) 15. (h) The 7th. 13. 49 yards, 2 ft., 5 inches. 1. $180.00. 2. $1.80 an hour. Exercise X. 3. $501.00. 4. 21. 5. L.C.M. 250208595; Quotients, C043, 3285, 4095 ; Sum, 14023. 6. A, $250.50, or S} cents a lb. ; B, ^90.30, or 7t'i cents a lb. 7. 24 days. 10. A, v7400.00 ; B, 88400.00. 8. $614.50. (See P.S. arith., 11. 21 miles. p. 88). 12. 20 days. 9. A, $600.00 ; B, $370.00. 13. 6455763577. Exercise XI. 1. L.O.M.=289,692, 179, 960, 6. $18.60. 656, 200, 943, 335, 120. 7. $448.00. (Test question.) 8. $420.00. 2. L.C.M. - 783,029,520. 9. 4 per cent. 3. $892.08. 10. 5 years. 4. (a) 8641 ; (6) 2801 ; (c) 98079; 11. $73.00. (d) 707 ;(e) 6041; (/)2841; 12. 13 years. (g) 805.6. 13. A, $1690.00 : B, $1820.00 ; 5. (a) 506 ; (6) 287 ; (c) 4547 ; C, $1960.00. (d) 407a ANAWKR8. 75 BlzeroiBe XIL 1. $84. 2. (a)«777; (6>«950. 3. $304. 4. A, «81.76 ; B, $245.25 ; 0, $nr.4.00. 5. 6. 0. I. The iMiinbor of oijii'l parts (fractional parts) of the primf, unit, I Ih. II. Till' miml)iu of f •.•ictioiiiil parts (unitji) in the friiction. III. Thnt th;' [)riiiiH imit, i lb. is divided into Jire enunl parts.,) the nanu; of »'iicli part . tlin » eight (in this instanco) of each part or fractional unit. IV. 1 lb. V. j^ of a lb., | of a lb., j^ of a II)., ]^ of a lb., (Jl of a n..) VI. The terms of the fraction. VII. Yus ; bocau.su it is the nuasure of a qiuintity, 7. 6'4 iiiclios. 8. «)8,3()0.00. 9. 15 lbs. 10. A. 11. 26; 27th. 12. 18 lbs. 13. (a) (1) Write out in Ruccession, the uultiples of these nuin- l)ers : — 24 :-~24, 48, 72, IKi, 120, 144, 108, 192, 216, 240, 264, 288, 312, 336, 300, 384. 408, 432, 450, 480, 5^4, 628, 562, 576, 600, 624, 648, e_72, 09h, 720, 744. 7(:8, etc. 42 :— 42, 84, 126, 108, 210, 252, 294, 336, 378, 420, 462, 504, 346, 588, 630, «72, 714, etc. Now we see, by in.spection, the common multiples of these num- bers, and of these multiples 168 is the least ; therefore it is the L.O.M. 2. Write out all the pHme factor's of these numbers : — 24=2 X 2 X 2 X 3. 42=2 X 3 X 7. Now the L. C. M consists of the smallest {leciat) selection of factors that contains tlie factors of each given number; therefore the L. O.M. i82x2x2x3x 7 = 168. (3). 2) 24, 42 3) 12, 21 4,7 L.O. M. = 2x3x4x7= 168. <0 ANNWr^Rfl. (h) (I) All fh« riH'aRuroB of (FftctofM). (Co-f/ict<»r«). WkI, 2, M, 4, «, a 12, 10, 24. 32, 48. 0«. 240— l,2,M,4,5,r»,8, 10,12,16. lfl,20.2».:}(). t0.4M,(M),H().l20,2*<». Now tho awirnon vu'iimiir^ aro : 1,2,M,4,»»,8, l2,lf5,24.4S, n\n\ J^S, the (pva^^-.i^of tlioHi'.cnntairiHuIl thootlior nuiisuruH; lu-nco it Ih thuG.C.M (2) Writo out (ifl ptlin*' fiict(H'» of thusu nuiubura: })a -2 X 2 X 2 X 2 X 2 X 3. 240=2x2x2x2x3x5. Now the j^rofttost Holtction (»f iiujiisiiroH (factors) common to theHu mimlursis: 2x2x2x2x3=48, tho (i.C.M. (3) 90)240(2 192 48)00(2 00 .*. 48 JH tlie (J.C.M. Ezeroise XIII. 1. 900 men. 5. SinoOO. 2. 32 per cent. 6. (a) 20 hours. (6) At stnrting 3. 5 dwts., 18f; grains. point, (c) A, 4 ; B, 7 ; C, 12 4. 33 days, 18 hours. tinios round thu islund. 7. Reduce to decimals of same order, then divide as in lonu division, striking out a ti<,'ure in divisor every division, instead of adding to the dividend by brin<,dnct . . . .(83'G Ans. 30303 o;io:iO . 13(»3(»3()36 . . . 113G3()3fi3 .... 22727272 ... . 22727272 . . 8. 2-71828 ... 11. 6?f per cent 9. 60 yds., and $1.50 per yd. 12. 81)§. 10. 2100 ft. by 1680 ft. 13. (a) 5 ft.. C in.; (6) F., $1200 ; S., $500. ANMWI'IKM. TT id 1. 13889.00. 2. 9116(MOO 3. inolioii. 4. A, $5187.60; B, $2812.50. ft. (a)H58*)fHnoz.; (b) ^'i of an uz. ti. 600birdu. Bxeroise XIV. 7. $85.25 gain. 8. 20 foot. 0. 210 m.luH. 10. 4. U. £10:», 4i, Id. 12. 28 rodH. 13. 11)00 aquHre yM:d». Bxeroise XV. 1. 6 o'clock p.m. 2. 6,'^ miiiiitoa pant 7 o'clock p. in. 3. 9 o'clock p.m. 4. 40]<>4^ HocoiidH uftor 4 o'clock. 6. 12jY2V socoikU uftor 5 o'clock. 6. 29f I seconds after 9 o'clock. 7. 50J{3^ Huconds uftor 1 o'clock. 8. 51,Voi^ hccoikIh after 2 o'clock. 9. First time, o2A niiiiiitoH after 8 o'clock lainutos after 8 o'clock 10. 6 minutes too fast. 11. 6 minutes too alow. second time, 64 ,", 12. 9 miles. 13. 24 minutes. Exercise XVI. 1. 8 lbs. 2. 26 per cent. .3. 6 miles, 110 rods. 4. .33.^ per cent. 6. 20 per cent. 8. 12 per cent. 9. 40 cents. 10. 12 rods. 11. (a) 1842 11)8., 4i9ff oza. (6) 9s<|. ft., 90 «q. in. 6. (a) B's time i.s to C'h time as 12. Gr;ipos..930 00;ai)ples,$40.(:O; 14:9 (6) $1120, B's gain. cherries, 1^50.00. 7. UH per cent. 13. $40.00. Exercise XVII. 1. $11,520. 2. $180. 3. 18 acres, 120 sq. rods. 4. 30 children i)urpo.sed going and 15 went. 6. 10 lbs., 2 ozs. G. 11 J per (jent. 7. $18,V 8. 25 per cent. gain. 9. l!) per cent. 10. 24000 bricks ; and 11. G boys. 12. 7033 and 9197. 13. $4800, 78 AKMWlCltg. KxfiriHo XVIII. 1. :(00»((nllonM(or M7i l>bU.) H. Ilult iumI Imlf; or 50 p^r cont 3. L9. liiiiiHly. :», 170 M I vjl.'.MHn.O.M. U. ««H.M(> 4. 8 livuriit^ii imm. 10. ^loOH r»«). 6. 'I'lu) circuirMMiM, by $2. 11. A, i^lHO ; H, $'JiO. <1. 7i K'^ll**!)*** I~- 1'^ iiiclioi. 7. .'(Oi( c.iiU a liiiHli., 30}^ IbM. la. U bulk pur biixli. Exercifle XIX. L 12 pnr coiit. 8. .'185 I'ord*. 2 *2(l".»7r>. 0. ^'lo. :{. Oij p««r cunt. 10 #1000 M.; ^(WWl W.; 8IH0 B. 4. .'i liouiH, rt mill., nSjVo '*"'-'• 11 10 pur CPU t. (liN(!ount. 5. (\iNh, by .*(."»n. 12 . H pur cuni iiu fi)iiiicranr. 1 7. A,«7r>(»; n, *L'(M); U, ^.Ur, ; 13 . (a) 70 cunts ; {b) 450. | I), «I00 ; K, «flilO. Exerci se ; XX. • 1. 87776. 8. 13 yojir.M. 2. «6i. 9. 3: 1. f 3. $:i2,ooo. 10. 20^ niin.,28]( min. | 4. $36. 11. Jii<50.00. 5, 1001 hi. 0)45 cts. ; 100 lbs. (?J) 12. '[\>U\Cum. ^715.00; No. l.bls. 6(» ctH. ; ;iOO lU. @ ItOc. rt'Miitt od, 4147. fi. £(;, «.sh, 6a. 13. 21 CO ballB. 7. :{0 cHNks. BxerciBe XXI. 1. (ft) Town clock 15 minutes slow ; Pnd (6) 10 inilua. 2. 75 bushels. 3. 40 yards. 4. 3 foot (loop. 5. 13 iiiiiuittis, 52^ seconds. 0. 25,000. • AN^Wlim, 7 l>.'.r..V2l7nOI.Ti>i;U:M'JfT«>«rt (\ tho f.Mirth roirmin.lnr. in J ..f \i tliu Ni>(*«tiiil i'l'iiiruiiiltti ; tlii'irfonf \ i>f i(, rliM tlm-'t hitriil>««r in <|iio< Hunt, ia '2 wlutlt in I ho intki li ; ti** to Ni'i(>, lOHpoctively. 10. A. :!«n70; n, K? 12.00. 12. I. I:J, (a) «l iii-l ^'\:20 rMHjHvUvftly. (M Mari'i mto?* mll'Hon I i. btiuiiiuH I'uto 2^ liiiluHttii littitr. Ezoroifio XXII. 8. HI to. 9. (a) :{|'J7MI.u1Im; (6) ^g**, of 1. $25. 2. 25 yHnN. .'l. 2»;0^ yiiiiln. '^""'''• 4. Khnclios. 10. 2H50. 5. Iji |MM'(;«'nt. (or 81 a sinrc). 11.2 iiiilos an liour. 0. 270.. 1.1.1.4. Exercise XXIII. 1. 1140. 7. 20:j ciihio yards, 19 cui.iofoet, 2. «iOir» KMllonH,2q.i.irtH,l pint. 8. H.:\4\, a. 441 boxo8. 0. i 4 $'Mm wholti profit and i^'JK'.O 10. 4 cwt., 10 !I)R., 2^ oza. B'HHlmro. II. .^<;!H. 6. (a) 80 cuts ; (6) 77^ coiits. 12. .i?20(;55.00. 6. 41 gallouti. 13. 3 cubic fout, 5l4oul.io inoheB. Exeroise XXIV. 6' («) A- (N.B.— Tho «if7a of the nutnorator and denominator of tho traction, r(.5[)rosontiii>4 tho siii)|.l.' inttTosi, tot nix thu tlciionii- natof of thf fraction roproHoiiimu' tlm tiiio discount.) (6) $40.>.75 simple interest. 7. (a) *20; (;/>)8l; O')*!, 8. SSO-!. 10. .^!)l.!t2a^.,. 11. 'ik years. 9. 6yrs., 7.3 days, and per 12. 5 i)er cent. cent. 13. $420. 80 ANHWKItS. Exercise XXV. 1. 2240. 2. 2 hours, 30 minutos. 3. 6 IbH. afc 6 centH, (> lbs. at 8 cents, 3 lbs. at 16 cents, aud 2 lbs. lit 19 cents (other ssots of answers may bo got). 4. $80 first, and $120 second. 5. $404.20. 6. A, $300 ; B, $270 ; 0. $240. 7. 50 cents a lb. 8. $10. 9. 35 miles an hour. 10. $547.50. 11. 120 Iba. 12. 16 and 25. 13. 88 yards. Exercise XXVI. 1. $1600. 8. :^ of cost (=7?7S. p.). 2. 12 per cent. 9. 25 per cent, (or ^ bf cost). 3. $330 and $1320. 10. $144. 4. $2703 and $8109. 11. 4,V per cent. 5. $2090.90 (or $4.185»^ per bbl ) 12. 3^^ per cent. 6. $5520. 13. (a) $186. 60 J; (6) 24 days. 7. A. Exercise XXVII. 1. 150 feet. 4. 3657i 2. $1125. 6. 1 per cent. ; 80 cents on $100. 3. m- 6. $180. 7. 91 yards. 8. (a) -0047619 ; (6) -142857 ; (c) The nature of the denomi- nator of the vulgar fraction to which it corresponds. If the denomi- nator is made up of no other factors than 2*8 and 5'.s, the decimal will be finite ; if either 2 or 5 with other factors, it will be a mixed repetend ; if neither 2 nor 5, it will be a pure repotend. {d) Finite ileoimals ; and pure and mixed repetends, 9. $28,350.00. 10. $34.32. 11. 437 reams, 10 quires. 12. 4 per cent. 13. (a) 24.75 ; (6) 36 ; (c) 4213 ; (d) 2807 ; (e) 5004 ; (f) 7610. ANSWER!). Exercise XXVIII. 1. L, 24 ft. ; B, 18 ft. ; H, 9 ft. 2. (a) $837.00 ; (6) 22|| per cent.; (c) 21? 3. 1202.00. 4. 7 feet. 5. 8|. 6. $5293.60. 7. 260 sacks ; 20 cents. 8. $1)46.80. 9. 19 cub. feet, 668^ cub. mohe«. 10. $9000. 11. $2500 @ 5 per cent. ; $3500 @ 7 per cent. 12. (a) 36^1 niin. past 7 ; (6) 42 min. past 7. 13. A, 60 ; B, $75 ; 0, $50 ; D, $30 ; E, $20, 81 per cent. 1. 5 per cent. 2. $1400. 3. $2060. 4. $22. 5. Gained $105. 6. Gained $75. 7. 6400 bushels. Exercise XXIX. 8. $600. 9. 89°40'. 10 $600. 11. 900 barrels. 12. 5 per cent. 13. 6 per cent. Exercise XXX. 1. (a) £5, 8sh., 9d ; (6) $1.00. 2. 8703 square yards. 3. $1.00. 4. 1 square foot, 81 sq. inches. 5. 8 per cent. loss. 6. 13 sq. rods, 26 sq. yards, 2 sq. feet, 35 sq. inches. 7. 6 sq. rods, 5 sq. yds., 6 sq. ft. 8. 2 sq. rods, 19 sq. yds., 2 ft., 116 sq. inch sq. 9. $159.25. 10. 15 metres. 11. $9000.00. 12. $602.98. (a) 39 sq. rods, 11 sq. yds., 138 sq. inches ; (b) Product. 478,687,021,724,583,756; quo- tient, 53,693,500,996. 13 1A« 82 ANSWKUS. Exercise XXXI. 1. 25 lbs. for )i dollar. 7. HOSO-? foet. 2. (1) 45 tons ; 535^ bushels. (See P.S. Arith. p. SS). .'1 171 cwt., 92 lbs., 7 0Z8. 4. 8^ barrels. 6. 250 acres. 8. 216if barrels. 9. $126, 10. $18,900. 11. 12. 14 gallons. 6. 6840-S-d=-855. iS. (a) 15 cents ; (6) 792 yards. Exercise XXXII. 1. $38.50. 7. 06. 2. 13. 8. 72 gallons. 3 18. 9. 9^ years. 4. 34 lbs., 11 ozs., 14 dwts., 10. $126. 9grs. 11. $4800. 6. 1620 lbs. 12. 50c ; ^percent. 6. $26.25. 13. -923076. After the first division we have 3 as reinaindor, which is one-fourth (jf 12, the numerator of the fraction ; now, complete the repetend from this point by reducing cacli remainder to tenths of the next lower order and dividin;< by 4, e.y. : — \^ = '9, and 3 as remahider ; now 3 is ^ of 12. ^ of 9 (first figun; in u.;cimal), etc. = 9 .^ 4 = a and 1 over,— 10 x 1 + 2 = 12. 12 ^ 4 -= tJ and over,— 10 x + 3 = 3. 3 + 4^0 iin.l 3 over, —10 x 3 + = 30. 30 ^ 4 = 7 and 2 over, -10 x 2 + 7 = 27. 27 -i- 4 — e and 3 ovtr,— 10 x 3 + 6 = 36. 36 H- 4 = 9 and over, etc. Dec. = •9230761)2, etc. = -923076. (N.B. — The operation should be performed mentally.) ANHWKIIS, S3 irda. I Exercise XXXIII. ^' ^22(M). g^ 30034 .^(^,„^re root. 2- ^1040. 9. a^^ . Kern. = Divi.lend - 3. 42!; percent. (Divisor x <.<|u..tiont.) 4. Focal elite, Af)ril 0, 1887 ; 10. 15 rods. Bal. due, Jan. IGth, 1887. II. $1742.25. 6. 40()0 barrels. 12. 280 dozons. 6. 20 per cent. 13. $19(].37 per acre. 7. £40, 10a., 6d. Exercise XXXIV. 1. $1200. 2. B, $1200 ; 0, $1700. • 8. $14400. 4. $98.55. 6. 25 per cent, discount. 6. $280. 7. 28 lbs., loz., lOdwts. 8. 16 boytj. 9. $48.44. 10. ni; ( vvt., 15 lbs. 11. G a(;res, 28 aq. rods, 15 sq. yds., 1 sq. foot, 18 sq. inches. 12. 93|. 13. $6.00. fourth )eteTid ) next Exercise XXXV. 1. 29i^ per cent. 2. June 17th, 1893, 3. $5915. 4. $81.25. 5. I per cent. (). 53f cents. 7. 303 lbs., 12 ozs. 8. $350. 9. 4vMba. 10. 1188. 11. 225 miles. 12. $820; $H-2m. 13. $300 first ; $240 second. Exercise XXXVI. 1. $108.64. 7. $1012.^0. 2. $20,00); $225,000. 8. 46 and 40. 3. $990. 9. $79.50. 4. Bal. due Nov. 25th, 1892. 10. 90 cents. (Focal date, Dec. 0, 1892.) 11. 72. 5. $1600. 12. 180.96. G. $10,000. 13. $3930. 84 ANSWRRS. i EUeroisd XKKVII. 1. $490. 8. «3. 2. 2 oza., 2 dwt., U grs. 9 8108. .*{. $103.56. 10. 2 Metres. 1 4. 25 times: a hours, 30 min. 11. l."):! M., (» dm.; $116.20. i 5. $62.02. 12. 1 OS 10751 K> 1841269. l 6. 1400 iiiile.s. 13. $'J0O. 1 i 7. 020002667306849580698412. Exercise XXXVIII. 9. Compound Rules ; 1 oiibia metre (volume or capacity)* 1 gramme (weiglit), or capa- city! weight! il cu. cm. ilg. 10. 400. 11. I47-754 interest; $297*764 a)iiount. 1. $1.00. :.. -2449786837 138s268849206:i. 3. $960. 4. A, $80 ; B, $120 ; C, $160. 5. 1 Kl., 4 111., 5 Dl., 2 L.; 145 Mg., 2 Kg. 6. $2475. 7. 5 Dg.,7 G.,9dg., 2 eg., 1 mg. 12. 23. 8. 68 Kg. 13. $1560. Exercise XXXIX. 1 . 130 acres, 2. Diminished by 36%. 4. 3. 5. $455. 6. A, $3900 ; B, $4950. 7. $1.20. 8. 40 shares. 9. £45, LOah., 6d. 10. $1.20. 11. 6ij%. 12. 7h%- 13. $700. Exercise XL. 1. A, $1200 ; B, $1500. 2. $862.13. 3. $1500. 4. 5. 6. 7. $6.00. 8. 44 yards. 9. (a) 16^^ min. past tx lb] 80% gain. (b) 24 (ft) ^ (^) h (c)i^2V 10. 48 min. past vii $1140.88 (or using 25 qts. to 11. (a) 2 pks. 1 gal. the cub. ft., which is prac- (b) 4 days IM\ min ticallv wrong for grain, the 12. 7%. answer would be $1120). 13. $810. oil bio ity)- capa- I7-764 AN8WEKS. Exercise XLI. 1. 12 lbs., 8 lbs., 32 lbs., ivspeccively. 2. G.Muitl 1430, 130 and 715. 3. 13 4. I(jblb8.,2501b8. sr^ 5. (a) pie ilt}T'''^^^' [{b) Improper. 1. Sim 1. Vulgar 1 2. Mixed. 3. Cuiiipouiul. [4. Complex. fl. Finite decimala. 2. Decimal J 2. Pure Rep.. tends. l3. Mixed Rejieteiids. 1. Vulgar (b) (I.), lA; (u.), ^, ; (rir.), ,4.^ ; (IV.), | ; (v.), .42651. ^2;Kr;l^r^^'^^-'^^'^'^- 3. Compnund : ^ of rf*. ^^^ J 4. Complex : iji. 1. Finite decimal : '025. 2. Mixed Repetend : '138 and -426.^1. 3. Pure Repetend 2. Decimal •2«>. 6. Lumber $34.65, Posts $13.00, Labor 7. 272 barrels ; and 72 minutes. 8. 30%. 9. 280 twenty-fives, 720 tens. 10. 91 and 161. 11. $8018.75. 12. A, $152 ; B, $12 ; C, 13. 40 feet. $7.35 ; Total ^66.00. L 25625 and 10250. 2. 6i%. 3. 290 rods. Exercise XLII, 5. A, $280.80; B, $646.00 ; 9 96 C, $458.64; total, $1285.44. 10 •>o°/ ?• B, 5 25%. 11. 60 dozen. 7. o40 acres. 12. A 8. $321.36. 13' 2'feet 2 inches HCi A NSW Kits. I. 'i. «< 4. 6. 12. I. 2. 3. 4. (i. 7. 8. 0. 10. 11. Exercise XLIII. A'r, 200 ; lis. .<«:)( 10. G. duvs. (r/)0'jM((. ft-,. 102 .s.|. iiicli.-s. 7. $147.84. (b) 7cu. ft. 1254 011. ill. lies, 8. *iMK 120 of fill iii(!ivuso. 0. !M). :{feut. 10. 78125. 75%. 11. 7. lOtK? s(|. 3:ir.lH. 4 Hr|. ft. 72 s(). inches, (a) 4121-412(10) t- 1. = -^ 4l(lO)-f-2 [-(1.0)4-1. = 4l(l(»)-'+2 10) + 1. ==4 ; ^IO) + l ;-( 10)2+ 2(10) + 1. r-^4 lO)' f I(10)'-i+2(l0) + l. -4121. ^ (/>) 4121-^515(8)+!. = ■> 04 8)}-;; ;-(8) + i. =(;4(8)- + :{(8j + i. = -; 8(8) + 0^8)-+ 3:8) + 1. = 8(8)'i+0(8)-+:)(8) + l. = 8031. Exercise XLIV. 28 miles. One parh 142, fciie other 8. *10(H). 355057 03125. ^B, $3.00 '^ P, $9. 07 U- $15. 00 total. IR, $1.0r,]j 24%. lolimf I!''- '^'"^'■']-=«736| lbs. in all ; or 3 tx)n8 736 lbs. 1 20491 lbs. slate, J lo ozs. A, $1.00; 13, $.3.00. (a) 3 ; and (b) 484 '84. 24 ft. $8500. 12. $53.29. 1.3. 80 planks. Exercise XLV. i 1. 6. 2. 25 .\ lbs. to the cub. ft. 3. $ii92.32. 4. 1.3. 5. i?8070.00. 0. The latter ; $5 gain. 7. $1.00. 8. .«10350.00. 9. 40 feet. 10. $77.50. 11. $22.50. 12. 7. 13. 200. I I. 2. :{. \. 5. <). 7. A NSW K lis. Exercise XLVI. A, ^'JHOO ; B, $4200. 8. !i<:u;. .«;{r.o. 9. $U\QO. mm 10. 48 llw. lL'474 H([. inches. II. ic«.'U5.«0 IS"/ 12. $5243. 22 iiiiimtes. 13. 406. )i!$926. 67 >8. Exercise XLVII. 4. 5. 6U%; 12J%. 6125. 4 (luys. *10840. $150. r(a) .^7.00 bill. ^ ^,^_ ^ I (/>) .70 discount off. Ifr ™ ■^'^^' ®^<'-' see P.S.A. papres J56 and 57. /. 8. 9. 10. 11. 12. 13. (c) $6.30 cash. $VXV.)0 $3000. 419. Gained $2.73. 51480 2x"2x2x3x3x5xll y 13 3346200 2 X 2 X 2 X 3 X 3 X 5 X .-. X n X 13 X 13. (i) L. 0. M. = 2 X 2 X 2 X ;5 ":{ x 5 x 1 1 xTi x 5 x 1 3. G.C.M. 2x2x2x3x3x5x11x13 " " (ii) Qu()fient = 5xl3. (iii) Quotient = 2 x 2 x 2 x 3 x 3 x 5 x 11 x 13. o. 12. Exercise XLVIII. 1. »> w. o O, 4. 5. 6. $1500. (a) 87 .V cents ; (h) $712.80. A, 200 acre.s ; B, 300 acres ; C, 450 acres ; D, 600 acres. 8160 lbs. $6.25. $300. 7. $37500. 9. $15015. 10. 45 \ urds, 11. $:u'5. 12. 3 minutes Hi seconds. 13. 13%. 88 ANBWKRJi Exeroise XLIX. 1. an. 80. 2. (a) 1,'4 .•icrcs, 47 n<| r<»«ls, 18 Bq. yds., \i n(\. ft., 'M\ hij. in. (/>) 7'><1. 'J8i''/j. 10. '.i'2 iviits. IJ. 2() t. „t. U. 30. 13. (a) ^li2000; {h) 15 yardH. V Exercise L. 1. •i