2. What is the neat weight of 7 tierces of rice, each weighing 4 cwt. 1 qr. 9 lb. gross, tare per tierce 34 lb. ? Ans. 28C. Oqr. 21lb. 3. In 9 firkins of butter, each weighing 2 qrs. 12 lb. gross, tare 11 lb. per firkin, how much neat? Ans. 40. 2qrs. 9lb. 4. In 241 bls. of figs, each 3 qrs. 19 lb. gross, tare 10 lb. per barrel; how many pounds neat? Ans. 22413.

5. In 16 bags of pepper, each 85lb. 4oz. gross, tare per bag, 3lb. 5oz.; how many pounds neat? Ans. 1311. 6. In 75 barrels of figs, each 2 qrs. 27 lb. gross, tare in the whole 597 lb ; how much neat weight?

Ans. 50C. 1qr. 7. what is the neat weight of 15 hhds. of Tobacco, each weighing 7 cwt. 1 qr. 15 lb. tare 100 lb. per hhd. ? Ans. 97 Č. Oqr. 11lb.

CASE III.

When the tare is at so much per cwt-Divide the gross weight by the aliquot part of a cwt. for the tare, which subtract from the gross and the remainder will be neat weight.

EXAMPLES.

1 What is the neat weight of 44 cwt. 3 gross, tare 14 lb. per cwt. ?

C. qrs. lb.

5 2

16 gro3s.
121 tare

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 ? bbls. of potash, ench weighing 291 lb. gross, tare 10 ib. per cwt. P Ans. 1281lb. 6oz. 4. In 25 barrels of figs, each 2 cwt. 1 qr. gross, tare per cwt. 16 b.; 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. S qrs. 21 lb. gross, tare 8 1b. per cwt how much neat weight?

Ans. 42cwt. 2qrs. 17}lb. 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. $692, 84ots. 24m.

CASE IV.

When Trett is allowed with the Tare.

1. Find the tare, which subtract from the call the remainder suttle.

gross, and

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 gr. 12 lb. gross, tare 14 h. per owt. trett 4 lb. per 104 lb.* how much neat weight ?

26

*This is the treit 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. 8cut. Sqrs. 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. gress, tare 16 lb. per cwt. and allowing trett as usual?

Ans. 12cwt. Oqrs. 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 sut of 3 cwt.) the quotient will be the cloff, which subtract from the suttle, and the remainder will be the neat weight.

tle by 168 (because 2 lb. is the

EXAMPLES.

1. In 3 hogsheads of Tobacco, each weighing 15 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.

cut. grs. lb.

18 3 23

55

28

443

112

1563 lb. gross of 1 hhd.

3

4689 whole gross.

107X3 321 tare.

26)4368 suttle.
168 trett.

168)4200 suttle
25 cloff.

Ans. 4175 neat weight.

2. What is the neat weight of 26 cwt. 3 qrs. 20 lb. gross tare 52 lb. the allowance of trett and cloff as usual P

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, 67. for the use of 100l. or 6 dollars 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. 84d. for one year at 6. per cent. per annum ♪

£. S. d.

39 11

81

0|12

Ans. £.2 7s. 6d.

2. What is the interest of 2561. 10s. 4d. for a year, at

5 per cent.?

Ana. £11 16s. 6d.