IV. To find the value of goods, sold by 112lb. the Cwt. The price of 1lb. is given to find the value of 1 cwt. RULE. For a farthing, account 2s. 4d. per cwt. For a half a penny, 4s. 8d. For three farthings, 7s. And for every penny 9s. 4d per cwt. 25th. What cost lcwt. at 3d. 26th. At 8 d. per lb. : What per lb. ? At Id. lb. per lcwt. costs cost 1 cwt.? s. d. 9 4 8 s. d. 94 3 V. To find the value of goods sold by 6 score to the hundred. RULE. Suppose every penny in the price to be so many pounds, and for the farthings, such a part of a pound, as they are of a penny; then, half of that sum will be the answer. To find the price of one, at so much per hundred of 6 score. RULE. Multiply the price by 2, then call the pounds so many pence, and the shillings, such a part of a penny, as they are of a pound, and you. will have the answer. 29th. If VI. To find the value of goods sold by the great gross. NOTE. 12 make 1 dozen, 12 dozen 1 small gross, 12 small gross 1 great gross. The price of 1 dozen being given, in pence, to find the price of a great gross. RULE. Multiply the price of 1 dozen, in pence, by 3, then divide that product by 5, and the quotient will be the answer in pounds, &c. For proof, do the contrary. N. B. If the price of 1 be given, the price of 1 small gross is found after the same manner. 34. What 34. What cost 1 great gross, at 18d. per dozen ? £.10 16 35. At 4s. 3d. per dozen, what cost 1 great gross ? 4s. 3d. 12 51d. 3 5)153 Ans. £.30 12 Or, s. d. 4 3 Or, £. s 144 7 4 TABLE of Aliquot Parts. 144 the Integer. Add. 36. At 21. 12s. 9d. per great gross, what cost 45 dozen ? Doz. £.. s. d. 362 12 9 VII. To find the value of goods sold by the thousand. The price of 1 is given to find the price of 1000. RULE. Multiply the given price, in pence, by 50, then divide the product by 12, and the quotient will be the answer in pounds, &c. * See note on next page. 39. At When the price of 1 is an aliquot part of a dollar.-Divide the quantity by the denominator of the fraction, which the price is of a dollar, and the quotient will be the answer in dollars, &c. EXAMPLES. 1. What cost 227 yards, at 50 cents per yard? C. D. D. 50227=price at D.1 per yard. D.113 50c. Ans. 2. What * To find the value of any number, at a given price per 1000, in federal money.-Multiply the price per 1000 by the given quantity, and point off three right hand figures in the product more than required by multiplication of decimals. Or, point off the three right hand places in the given quantity: and multiply and point as in multiplication of decimals. EXAMPLES. 1. What coft 875 at D.13 per 1000? 875X13=11375; and 11375÷1000-11-375=D.11 37c. 5m. Ans. 2. What coft 39175 feet of boards, at D.16 per 1000? 3. What coft 325 nails at D.1 50c. per 1000? Ans. D.626 80c. Ans. 48c. 7 m. er, 481c. |