13. What will 39584 lbs. of plaster of Paris come to at $4,50 per ton of 2240 lbs.?

39584

41

14. What is the amount of a cargo of lumber, measuring 23468 feet at $12,50 cents per thousand, equal to 12 mills per foot ?

23468

12

at 12 mills 281616

11734

Lumber is reckoned at as many mills per foot, as there are dollars per thousand.

2933,50 mills

Ans. $203,35 cents.

MISCELLANEOUS QUESTIONS.

1. Add 562163, 21964, 56321, 18536, 4340, 279, and 83 together. Ans. 663686. 2. What number is it, which being added to 9709 will make 110901 ? Ans. 101192. 3. General WASHINGTON was born in the year 1732, and he died in 1799: What was his age ? Ans. 67 years. 4. Add up twice 397, three times 794, four times 3176, five times 15880, six times 95280, and once 333040. Ans One Million. 5. 128 men have one half of a prize, worth 34560 dollars, to be equally divided between them: What is each man's part ? Ans. 135 dollars.

Prove this answer to be right.

6. Three merchants, A, B, and C, have a stock of 14876 dollars, of which A put in 4963 dollars, B 5188 dollars, and C the remainder: How much did C put in?

Ans. 4725 dollars.

TABLE OF MONEY, WEIGHTS, MEASURES, &c.

NOTE. By this weight are weighed jewels, gold, silver, and liquors.

The fineness of gold is generally expressed in carats, Thus any price or quantity of it is divided into 24 equal parts or carats, and the number of these remaining after it is assayed, shows its fineness. As the imaginary unit of refer be any weight, the carat of gold or silver therefore has no specific weight.

ence may

The diamond carat is 3 grains Troy.

NOTE. By this weight are weighed such commodities as are coarse and subiect to waste, and all metals except gold and silver. One pound Avoirdupois is equal to 14 oz. 11 pwts, and 151 grs. Troy.

3

12 Ounces

1 Pound.

NOTE. Apothecaries use this weight in compounding their medicines; but they buy and sell their drugs by Avoirdupois weight.

NOTE. The wine gallon contains 231 cubic inches.

NOTE. 8 feet in length, 4 in breadth, and 4 in height, making 128 solid feet, contain a cord of wood, and 16 such feet make 1 foot cord-wood measure. -This measure respects length, breadth, and thickness.

[*This may have reference either to the solidity, or to the stowage on shipboard.]

DRY MEASURE.
make

1 Quart.

1 Pottle.

1 Gallon.

1 Peck.
1 Bushel.

1 Strike.

1 Coom.

1 Quarter.
1 Chaldron.

1 Wey.

2 Weys

1 Last.

NOTE. The gallon dry measure contains 2684 cubic inches.

NOTE. 365 days, 5 hours, 48 minutes, 57 seconds make a solar year, ac

cording to the most exact observation.