4. Cloff, which is an allowance inade of 2 lb. upon every 3 cwt. 5. Suttle, is what remains after one or two allowances have been deducted. CASE I. When the question is an Invoice.-Add the gross weights into one sum and the tarès into another ; then subtract the total tare from the whole gross, and the remainder will be the neat weight. EXAMPLES. 1. What is the neat weight of 4 hogsheads of Tobacco marke with the gross weight as follows: lb, Ib. 12 Tare 100 S 7 1 85 6 S 25 81 95 S 0 Ans. 28 S 18 neat. 2. What is the neat weight of 4 barrels of Indigo, No. and weight as follows: 97. lb, 29 3 4 0 19 S2 cut. gr. 4 4 0 0 55) Ans. 15 0 11 CASE II. When the tare is at so much per box, cask, bag, &c.Multiply the tare of 1 by the number of bags, bales, &c. the product is the whole tare, which subtract from the gross, and the remainder will be the ncat weight. EXAMPLES. 1. In 4 hh&s. of sugar, each weighing 10cwt. 1gr. 1516). mes; tare 55lb. mer ind. how much neat? 2. In 9 cwt. 2 qrs. 17 lb. gross, tare 41 lb. trett 4 Ib. per 104 Ib. how much neat? Ans. 8cwt. 3qrs. 20lb. 3. In 15 chests of sugar, weighing 117 cut. 21 lb.gross, tare 173 lb. trett 4 lb. per 104, how many cwt. neat? Ans. 111cwt. 221b. 4. What is the neat weight of 3 tierces of rice, cach weighing 4 cwt. 3 qrs. 14 lb. gross, tare 16 lb. per civt. and allowing trett as usual? Ans. 12cwt. Ogrs. 6lb. 5. In 25 barrels of fies, each 84 ib. 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 heat weight of 4 barrels of Spanish Tobacco; numbers, weights, and allowanees as follows, at 9 d. per pound ? 15 cut. grs. lb. No ) Gross 1 2 2 1 0 S I 009 Tare 16 lb. per cwt. Trett 4 lb. per 104 lb. Ans. £ 17 168 34. When Tare, Tratt, and Cloff are allowed : Deduct the tare and trett as before, and divide the suttle by 168 (because 2 lb., is the Tor of 3 cwt.) the quotient will be the cloff, which subtract from the suttle, and the remainder will be the neat weight. 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, 61. for the use of 1001. or 6 dollars for the use of 100 dollars for one year, &c. Principal, is the sun lent. CASE I. 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. 113. 8 d. for one year. at 6l. per cent. per annum ? £. $. d. S9 11 81 6 012 Ans. 4,275. Gilgen 2. What is the interest of 2361. 10s. 40 for a year, at 5 secent. ins. 111 Ibs. d. at 61. 3: Wbat is the interest of 5711. 135. 9d. for one year, per cent. ? Ans. £34 6s. Oid. 4. What is the interest of 21. 12s. 934. for a year, at 61. per cent. ? ins. £0 Ss. 2d. FEDERAL MONEY. 5. What is the interest of 468 dols. 45 cts. for one year at 6 per cent. I $ cts. 468, 45 6 2810, 0=528, 10els. 7m. Ans. Here I cut off the tiro right hand integers, which di. vide by 100: but to divide federal money by 108, 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 hy the rate, and place the separatrix in the product, as in multiplica tion 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 155 dols. 25 cts. for a year at 6 per cent. S cis, 155, 25 6 811, 51=SS, licts, 571. Ans. ht. What is the interest of 19 dolars 51 cents for che year at 5 per cent. ? $ cts. 19, 51 5 97, 55=57cts. 53. Ans. 8. What is ilio interest of 456 douans for one year, at 6 |