ach lb. er 2. What is the neat weight of 9 hhds. of Tobacco, each weighing gross 8 cwt. 3 qrs. 14 lb. tare 16 lb. per cwt.? Ans. 68C. 1gr. 24lb. 3. What is the neat weight of 7 bbls. of potash, each weighing 201 lb. gross, tare 10 lb. per cwt.. Ans. 1281lb. 6oz. 4. In 25 barrels of figs, each 2 cwt. I qr. gross, tare per cwt. 16 lb.; how much neat weight ? Ans. 48cwt. 24lb. 5. In 83 cwt. 3 qrs. gross, tare 20 lb. per cwt. what neat weight? Ans. 68cwt. Sqrs. 5lb. 6. In 45 cwt. 3 qrs. 21 lb. gross, tare 8 lb. per cwt how much neat weight? Ans. 42cwt. 2qrs. 17 4lb. 7. What is the value of the neat weight of 8 hhds. of sugar, at 89, 54 cts. per cwt. each weighing 10 cwt. 1 qr. 14 lb. gross, tare 14 lb. per cwt.? Ans. 8692, 84cts. 24m. CASE IV. When Trett is allowed with the Tare. 1. Find the tare, which subtract from the gross, and call the remainder suttle. 2. Divide the suttle by 26, and the quotient will be the trett, which subtract from the suttle, and the remainder will be the neat weight. EXAMPLES. 1. In a hogshead of sugar, weighing 10 cwt. 1 qr. 12 lb. gross, tare 14 h. per cwt. trett 4 lb. per 104 lb.* how much neat weight P 6 *This is the trett allowed in London. The reason of dividing by 26 is because 4 lb. is of 104 lb. but if the trett is at any other rate, other parts must be taken, accord ing to the rate proposed, &c. ... 2. In 9 cwt. 2 qrs. 17 lb. gross, tare 41 lb. trett 4 lb per 104 lb. how much neat? Ans. Scwt. 3qrs. 20lb. 3. In 15 chests of sugar, weighing 117 cwt. 21 lb. gross, tare 173 lb. trett 4 lb. per 104, how many cwt, neat? Ans. 111cwt. 22lb. 4. What is the neat weight of 3 tierces of rice, each weighing 4 cwt. 3 qrs. 14 lb. gross, tare 16 lb. per cwt. and allowing trett as usual ? Ans. 12cwt. Ogrs. 6lb. 5. In 25 barrels of figs, each 84 lb. gross, tare 12 lb. per cwt. trett 4 lb. per 104 lb.; how many pounds neat ? Ans. 1803+ 6. What is the value of the neat weight of 4 barrels of Spanish Tobacco; numbers, weights, and allowances as follows, at 94d. per pound? CASE V. When Tare, Trett, and Cloff are allowed: Deduct the tare and trett as before, and divide the suttle by 168 (because 2 lb. is the of 3 cwt.) the quotient will be the cloff, which subtract from the suttle, and the remainder will be the neat weight. EXAMPLES. 1. In 3 hogsheads of Tobacco, each weighing 13 cwt. 3 qrs. 23 lb. gross, tare 107 lb. per hogshead, trett 4 lb. per 104 lb. and cloff 2 lb. per 3 cwt. as usual; how much neat. 2. What is the neat weight of 26 cwt. qrs. 20 lb. gros tare 52 lb. the allowance of trett and cloff as usual ? Ans. neat 25cwt. 1gr. 5lb. 1oz. nearly; omitting further fractions INTEREST. INTEREST is of two kinds; Simple and Compound. SIMPLE INTEREST. Simple Interest is the sum paid by the borrower to the lender for the use of money lent; and is generally at a certain rate per cent. per annum, which in several of the United States is fixed by law at 6 per cent. per annum ; that is, 6l. for the use of 100l. or 6 dellars for the use of 100 dollars for one year, &c. Principal, is the sum lent. Rate, is the sum per cent. agreed on. Amount, is the principal and interest added together. CASE I. To find the interest of any given sum for one year. RULE. Multiply the principal by the rate per cent. and divide the product by 100; the quotient will be the answer. EXAMPLES. 1. What is the interest of 391. 11s. 8d. for one year at 6l. per cent. per annum ? £. 8. d. 39 118 Aus. £2 7s. 6d. 2. What is the interest of 2361. 10s. 4d. for a year, at 5 per cent.? Ans. £11 16s. 6d. 3. What is the interest of 571l. 13s. 9d. for one year, Ans. £34 6s. Ožd. at 61. per cent.? 4. What is the interest of 21. 12s. 94d. for a year, at 61. per cent. ? Ans. £0 3s. 2d. FEDERAL MONEY. 5. What is the interest of 468 dols. 45 cts. for one year at 6 per cent.? $ cts. 468, 45 6 28|10, 70=$28, 10cts. 7m. Ans. Here I cut off the two right hand integers, which di vide by 100 but to divide federal money by 100, you need only call the dollars so many cents, and the inferior denominations decimals of a cent, and it is done. Therefore you may multiply the principal by the rate, and place the separatrix in the product, as in multiplication of federal money, and all the figures at the left of the separatrix, will be the interest in cents, and the first figure on the right will be mills, and the others decimals of a mill, as in the following EXAMPLES. 6. Required the interest of 135 dols. 25 cts. for a year at 6 per cent. $ cts. 135, 25 6 811, 50-88, 11cts. 5m. Ans. 7. What is the interest of 19 dollars 51 cents for one year at 5 per cent.? 8 cts 19, 51 5 97, 55=97cts. 54m. Ans. 8. What is the interest of 436 dollars for one year, at 6 per cent. 6 Ans. 2616cts.-826, 16cts. |