4. To find the price of one, at so much per hundred of 5 fcore-Maltiply the given price by 12; divide the product by 5, and the quotient will be the answer in pence, But if the price be pounds only; Divide the given price by 5, and the quotient will be the aafwer in fhillings. In dividing 27 by 12 (in the 18th question) the quetient is 25. and the remainder 3d.-the 6 is of a penny two farthings, and the 7 is of no account. 19. At £3 7/6 per 100; What will 23 coft ? IV. To find the value of goods fold by 112 the cut. The price of 1ft is given to find the value of a cut. RULE. For a farthing, account 2/4 per cwt. For a half penny, 4/8. For three farthings, 75. and for every penny, 9/4 per cwt. 20. What coft Iczut. at sid. per it? At id. per b. s. d. 21. At 8d. per b What coft Icwt.? s. d. Icwt. cofts o 94 Icwt. cofts V. To find the value of goods fold by 6 Score to the hundred. The price of one is given, to find the price of one hundred. RULE.-Suppofe every penny in the price to be fo many pounds, and for the farthings, fuch a part of a pound, as they are of a penny; then, half of that fum 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 fo many pence, and the fhillings, fuch a part of a penny, penny, as they are of a pound, and you will have the answer. 26. At £3 17s. 6d. per hundred; What coft-14 ? 27. At 1 19s. 3d. per hundred; What coft 75? VI. To find the value of goods fold by the Great Gross. Note. 12 make 1 dozen, 12 dozen 1 fmall grofs, 12 fmall grofs 1 great grofs. The price of one dozen being given, in pence, to find the price of a great grofs. 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 fmall grofs is found after the fame manner. 28. At 18d. per dozen; What coft 1 great grofs? 18d. 3 5)54 £10 16 Anf. 29. At 4s. 3d. per dozen; What coft 1 great grofs ? 30. What coft 117 dozen, at £9 13s. 7d. per great grofs? VII. To find the value of goods fold by the Thousand I 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. 32. At 6d. each; What Colt 1000? 6 50 Or, as 1000s. are £50; take parts, for the pence, out of 50. | 6d. | | 50 2 12)300 £25 Anf. 25 Anf. |