4 Bought a barrel containing 125 shad for 8 dollars 50 cents, how much must I charge my neighbour for 25, at the same rate? answer 1,70 5 Bought a piece of broad cloth containing 34 yards for 215 dollars 22 cents, how much is that per yard? ans. 6,33 6 A pipe of wine containing 126 gallons cost 189 dollars, required the price of a gallon? answer 1,50 gallons cost ans. 43 cts. 7 A hogshead of molasses containing 115 49 dollars 45 cents, how much is it per gallon? COM COMPOUND ADDITION. OMPOUND addition teaches to add several sums or quantities together, of divers denominations, but of the same quality, as money, weights, measures, &c. GENERAL RULE. Place the numbers so, that those of the same denomination may stand directly under each other. Then begin at the right hand column, and add up as in integers; divide the total by as many of that denomination as will make one of the next greater, set down the remainder (if any) under said column, and carry the quotient to the next, &c. PROOF. As in integers. MONEY. The denominations are: 4 farthings (marked gr.) make 1 penny, marked d. 1 shilling, Note. The fhillings may be added as integers, carrying half the number of tens to the pounds, and prefixing the odd ten (if any) to the units under fallings. PENCE Application. I Suppose a merchant, on settling his accounts, finds he owes A, seventy-four 'pounds, seventeen shillings and six-pence; B, six hundred twenty-seven pounds, six shillings; C, eight hundred fortyseven pounds, eighteen shillings and four pence three farthings; D, 5641. How much does he owe in all? 2 If A have owing to him on bond and interest due thereon, 1917 2s 1d.; amount? answer 2100%. 3 Suppose a vintner bought 40 tons of wine for 6841. loading and unloading stood him in 171 135 8d.; storage 81 10s. custom 161 135 9d.; land carriage 19 14s 6d.4; How much do the cost and charges amount to? answer 7461 12s od. 4 Admit a person left his widow the use of 64361. for charitable purposes 297 14 8d. gave three nephews, each 1546/ 14 8d. three nieces, each 1324/. and to his executor 3041 os 11d. What is the sum of these several bequests? answer 15649/ 195 76. 5 Suppose a man borrowed a sum of money, and paid in part at one time 13/ 18s 9d. at another 23/ 18s 4d.2; at a third time 47 os 9d. and the remainder is 371 14s 6d.1; what was the sum borrowed? answer 122l 12s 5d.1 6 Bought 3 horses for 161 175 4d. each, and two cows for 5 145 7d. each, and three bushels of wheat for 18s 10d1; what is the amount ? answer 631 os od. 7 Admit a citizen going into the country ordered payment of the following bills, viz. the brewer's 421 35 36.the butcher's 212/ os 6d. the baker's 24. the tallow chandler's 137 8s. the taylor's 1371 9s 9d, the draper's 74! 135 6d. his rent 50l. servants wages 461 5s and he would take with him rool. for what sum must he draw on his banker, to defray these expences? answer 7001. Suppose A owes B-109/ 19s 11d., Cowes him twiceas much, and D as much as them both; what is the total due to B? answer 6591 192 10d TROY TROY WEIGHT. By this weight, jewels, gold, silver and liquors are weighed The denominations are: 24 grains (gr.) make 1 pennyweight, marked, dut. 20 pennyweights 78 7 6 8 33 7 10 165 10 4 13 17 63 6 Application. What is the sum of 36 pounds, 7 ounces, 16 pennyweights; 48 pounds, 7 ounces, 16 grains, and 561b. 6oz. answer 141lb. 8oz. 16dwt. 16gr. 2 A goldsmith bought 7 ingots of silver, three of which weighed each 9/b. 70%. 14dwt. and each of the rest 8lb. 50%. 15dwt. 16gr how much did the whole weigh? answer 621b. 10oz. 4dwt. 16gr. 3 Admit a goldsmith has 4 tankards weighing each 70%. 18det. spoons weighing 4lb. 6oz. 3 salvers each 6lb. 40%. what is the weight of the whole ? ans 26lb. 1oz. 12 dwt.. 4 Suppose a silversmith sold 14 dishes weighing 18lb 30%. 14dwt 36 plates weighing 48. 1oz. 15dw. 6 salts weighing 5. oz. 4 silvers, 11b 100%. 12dwt Required the weight of the whole? answer 83lb. 11oz. Idwt. 5 Bought three pair of sleeve buttons, each weighing 11grs. 2 basons weighing 1lb. 52. 4dwt. 14gr. and two pair of buckles each 20z. 11dwt, how much do they weigh toge ther? answer lb. 100%. 7dwt. 23gr. 6 Sold several dishes weighing 11lb. 4oz. 16dwt. 11gr. plates weighing three times as much; salts 2lb. 5oz. 6dwt. 14gr. tankards 61b. 70%. 14dwt. 17gr. what is the weight of the whole ? answer 54lb. 8oz. 7dwt."3gr. AVOIRDUPOIS. AVOIRDUPOIS-WEIGHT. By this weight are weighed things of a coarse, drossy nature, that are bought and sold by weight; and all metals but silver and gold. The denominations are: 16 drams (dr.) make 16 ounces 28 pounds Note 1. 2. By the above table it appears, that 11 pounds make 1 C.wt. which are only given in fome particular things; and from the best account afcertained at prefent, fuch are, all fugars (except loaf,) rice, allum, brimftone, copperas, flour, oat-meal, cocoa, race-ginger, chalk, logwood, redwood, hay, iron, lead, madder, &c. In other articles, fuch as meat, cheefe, butter, &c. likewife in Carolina rice, five fcore pounds are only given to the hundred. Some things are bought and fold by the dozen, grofs, &c. Hence, 12 particulars make 12 dozen I dozen, doz. gro. g.gro. sco. 1 Suppose a merchant bought 3 hogsheads of sugar weighing as follow, viz. No. 1, nine hundred, two quarters, eighteen pounds; No. 2, 8 hundred, 3 quarters, 12 pounds; No. 3, 7 hundred, 2 quarters, 19 pounds; how much is the amount? answer 26C. Ogr. 21lb. 2 In 4 boxes of spice weighing as follows, viz. No. 1, one quarter, nineteen pounds, fourteen ounces, twelve drams; |