9. In 672 great pounds of silk, how many common pounds? Answer, 1008 common lv.

10 In 480 common pounds of silk, how many great pounds? Answer 320 great pounds.

11 In 8 hogsheads of tobacco, each weighing neat 7C how many pounds? Answer, 6720 Ib.

12 In 17 pigs of lead, each weighing 4C. how many fother, at 190.P Answer 4 fother, 2C. 3qrs.

13 In 712C. of lead, how many fother? Answer 36 fother, 10C.

14 In 17C 1qr 6lb of sugar, how many parcels, each 17lb? Answer 114 parcels.

CASE 2.

OF TARE AND TRETT, &c.

Note. If the teacher approves of it, he may introduce this and the following cases after Practice, instead of this place.

Q. When the tare is at so much per barrel, bag, etc. how is the neat weight found?

A. Multiply the number of the said barrels, bags, ete. by the tare, and subtract that product from the gross ; the remainder is the neat.

Note 1. The Table of Allowance for Tare in the book of Rates,

Oil from Candia.

Tare 29lb per Barrel.

2. 7lb of oil make a gallon; therefore to reduce pounds into gallons multiply by 2, and divide by 15.

EXAMPLES.

1 In 16 hogsheads of tobacco, each 5C. 1qr. 191b. gross, tare per hogshead, 100lb. how much neat weight? Ans. 72C. 1qr. 20lb.

E

2. In 70 Bales of Smyrna Silk, each 317lb Gross, Tare per bale 161b how many lb Neat ? Ans. 21070lb Neat. 3 In 14 Hogsbeads of tobacco, weighing Gross 89 C 3qrs 171b tare per Hogshead 100lb how much neat weight? Ans. 77C 1qr 17lb.

4 What is the neat weight of 30 Bales of Cyprus Silk, each weighing 2491b Gross tare per bale 141b? Answer

7050lb.

CASE 3.

Q. When the tare is at so much per cent. how is the neat weight found?

A. When the tare is an aliquot part or parts of the C weight, divide the whole Gross by the said part or parts, that the Tare is of an C. weight, and the quotient hence arising, gives the tare of the whole; which subtract from the whole Gross, the remainder is Neat.

Note 1. Figs, Almonds, Argol, &c.

Caroteels, Butts of Currants, &c.

Oil in uncertain casks, &c.

14lb

16

18

per Cent.

2. Whatever part the given tare is of an C weight, the same must the whole tare be of the given Gross weight.

EXAMPLES.

1. What is the neat weight of 12 Barrels of Argol, Gross 48C Sqrs 12lb tare 141b per cent? Ans. 42C 3qrs. C. qrs. lb.

2. In 12 Butts of Currants, each 7C 1qr 10lb Gross, Tare per cent 16lb how much neat weight? Ans. 75C 1qr 26lb 14oz

3. What is the neat weight of 30 barrels of figs, each 2 C. S qrs. gross, tare per cent. 14lb. Answ. 72 C. 21lb.

Note. When the tare is not the aliquot part or parts of an C. wt. then multiply the pounds gross, by the tare per cent. given, and that product divide by 112, the quotient is the whole tare, which subtract from the gross, the remainder is neat.

4. What is the neat produce of 20 barrels of anchovies, each gross 331b. tare per cent 10lb.? Ans. 601lb. 2cz.

5. What is the neat produce of 17 barrels of potash, each gross 22 lb. tare 10lb. per cent ? Ans. 34521b. 9oz.

CASE 4.

Q. When the tare is at so much in the whole gross weight, how is the neat weight found?

A. Subtract the tare from the gross, and the remainder is, neat.

EXAMPLES.

1. What is the neat weight of 38 hogsheads of tobacco, weighing gross, 201 C Sqrs 12lb. tare in the whole 3140lb. P Answer 173C. 3qrs. 81b.

2 What is the neat weight of 3 hogsheads of tobacco, weighing as follows, viz.

C. qrs. lb.

No. 1-3 1 2

lb.

80

2-3 2 1 Tare 80

3-5 1 12

100? Ans. 9C. 3qrs. 71b. Q. How is the neat weight found, when trett is allowed

with tare?

A. Divide the pounds suttle by 26, the quotient is the trett, which subtract from the suttle, the remainder is

neat.

EXAMPLES.

1. In 8C. Sqrs. 20lb. gross, tare 381b trett 4lb. per 104lb. how many pounds neat? Answ. 925lb neat.

2. In 177C. Oqrs. 22lb. gross, tare 9lb. per cent. trett 4lb. per 104lb. how many C. weight neat? Answ. 156C. 2qrs. 22lb.

3. In 17 chests of sugar, weighing 120C. 2qrs. gross, tare 176ib. trett 4lb. per 104lb. how many C. weight neat? Answer, 114C. 1qr. 12lb.

Note There are other allowances, not so common, such as Break, which is at so much per barrel, bag, &c. and damage, which is so much in the whole, but they are very easy.

3. OF APOTHECARIES WEIGHT,

1. In 12lb. 13 23 0 scrup. 1 gr. how many grains? Answer, 69721 grains.

2 In 69721 Grains, how many 9. 3. 3. and Ib. Ans. 12lb. 13. 23. 09. 1 gr.

OF LONG MEASURE.

1. In 70 miles, how many furlougs and poles? Answ. 560 furlongs, 22400 poles.

2. In 40 yards, how many feet, inches, and barleycorns? Answ. 120 feet, 1440 inches, 4320 barley-corns. 3. In 5 miles, how many barley-corns? Ans. 950400 barley-corns.

4. In 4000 inches, how many yds. Ans. 111 yds. 4 in. 5. In 4 leagues, how many yds.? Ans. 21120 yds. 6. In 15840 yards, how many miles and leagues? Answ. 9 miles, 3 leagues.

7. How many barley-corns in a mile ? Answ. 190080 barley-corns.

8. How many times doth the wheel, which is 18 feet 6 inches round, turn between London and York, which is 150 miles? Answ. 42810 times, and 180 inches over.

9. How many barley-corns will reach round the globe of the earth, which is 360 degrees, and each degree 69 miles and a half? Ans. 4755801600 barley-corns.

OF CLOTH-MEASURE.

1. In 14 yards, how many quarters and nails? Ans. 56 qr. 224 nails.

2. In 17 yds. 1 qr. 2 na. how many nails ? Ans. 278 na. 3. In 4712 nails, how many yds. ? Ans. 294 yds. 2 qrs. 4. In 47128 nails of Irish cloth, how many pieces, each 12 yards? Ans. 245 pieces, 5 yards, 2 quarters.

5. In 4 pieces of cloth, each 14 yards, how many quarters and nails? Ans. 224 qr3. 896 na.

6. In 10 bales of cloth, each 10 pieces, each 12 yards, how many yards? Ans. 1200 yards.

7. In 7000 na. of Holland, how many ells? Ans 350 ells. 8 Reduce 42 ells into quarters and nails. Facit 210 qrs. 840 nails.

OF LAND-MEASURE.

1. In 40 acres, how many roods and perches? Ans. 160 roods, 6400 perches.

2. In 17A. 3r. 10p. how many perches? Ans. 2850p. 3. Reduce 2850 perches into acres. Facit 17A. 3r. 10p. 4. If a piece of ground contains 24 acres, and an inclosure of 17 acres 3 roods to be taken out of it, how many perches are there in the remainder? Ans. 1000 pere.

5. One field contains 7 acres, another 10 aeres, and a third 12 acres 1 rood, how many shares of 76 perches each are contained in the whole? Answ. 61 shares, and 44 perches over.

OF LIQUID-MEASURE.

1. In 17 Gallons how many quarts and pints? Answ. 68 qts. 136 pints.

2. in 10 Barrels of beer, how many gallons and quarts? Answ. 360 gallons. 1440 qts.

3. In 4 barrels of ale, how many gals.? Ans. 128 gals. 4. In 72 Hogsheads of Beer, how many Barrels ? Ans. 108 Barrels.

5 In 91 barrels of beer, how many hogsheads? Answ. 60 hlids. 36 gals.

6 If a Back contains 30 Barrels of Beer, how many gallons doth it hold? Ans. 1080 gals.

7 In 4 tons of oil, how many hogsheads, gallons and quarts? Ans. 16 hhds. 1008 gals. 4032 quarts.

8 In 3 hogsheads of Brandy, how many half anchors ? Ans. 37 half anebors, 4 gals.

9 In 1712 gallons of Wine, how many hogsheads?. Ans. 27 hhds 1 gals.

10 If a Vintner be desirous to draw off a pipe of Canary into bottles, containing pints, quarts, and 2 quarts, and of each an equal number, how many must he have? Answer 144 of each sort.

OF DRY MEASURE.

1. In 40 quarters of Wheat, how many bushels and pecks? Ans. 320 bushels, 1280 pecks.

2. Reduce 1280 pecks of Wheat into quarters. Facit

40 qrs.

3. In 30 chaldron of Coals, each 36 bushels, how many pecks? Ans. 4320 pecks.

4. Reduce 7094 pecks of coals, in chaldrons. Facit 49 chal. 9 bush. 2 pecks.

OF TIME.

1. In 121812 seconds how many hours? Ans. 33 hrs. 30 min. 12 sec.

2. Reduce 41 weeks into days, hours and minutes. Facit 287 days, 6888 hours, 413280 minutes.

3. Reduce 413280 minutes into weeks. Facit 41 wks. 4 How many seconds in a year, allowing it to be 365 days 6 hours? Ans. 31557600 seconds.