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11. A and B barter: A hath 145 gallons of brandy no | dol. 20 cts, per gallon ready money, but in barter he will have I dol. 35 cts. per gallon: B has linen at 58 cts per yard ready money; how must B sell his linen per yard in proportion to A's bartering price, and how many yards are equal to A's brandy? Ans. Barter price of B's linen is 65 cts. 21 m. and he must give A 300 yds. for his brandy. 12. A has 225 yds. of shalloon, at 2s. ready money pe. yard, which he barters with B at 2s. 5d. per yard, taking indigo at 12s. 6d. per lb. which is worth but 10s. how much indigo will pay for the shalloon; and who gets the best bargain? Ans. 4341b. at barter price will pay for the shalloon, and B has the advantage in barter. Value of A's cloth, at cash price, is £22. It Value of 434th. of indigo, at 10s. per lb. 21, 15.

B gets the best bargain by £0 li

LOSS AND GAIN, IS a rule by which merchants and traders discover their profit or loss in buying and selling their goods: it also in structs them how to rise or fall in the price of their good", so as to gain or lose so much per cent or otherwise. Questions in this rule are answered by the Rule of Three. - ---------1. Bought a piece of cloth containing S5 yards, for 19t dols. 25 cts, and sold the same at 2 dols. S1 cts. per yard; what is the profit upon the whole piece? Ans. $47, 60 cts. 2. Bought 12 cwt. of rice, at 3 dols. 45 cts, a cwt. and sold it again at 4 cts, a pound; what was the whole gain Ans. 312, 87 cts. 5m. 3. Bought 11 cwt. of sugar, at God. per lb. to it could not sell it again for any more than 2, 16s. per cwt. ; did I gau or lose by my bargain? Ans. Lost, C2 11s 4d. 4. Bought 44 lb. often for tol. 12s, and sold it again for ol. 10s. 6d. what was the profit on each pound 1 Ans. 10-d

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5. Bougout a hlid. of molasses containing 119 gallons, at 52 cents per gallon; paid for carting the same I dollar 25 cents, and by accident 9 gallons leaked out; at what rate must I sell the remainder per gallon, to gain 13 dollars in the whole? Ans. 69 cts. 2 m.-H.

II. To know what is gained or lost per cent. Rule.—First see what the gain or loss is by subtraction; then, As the price it cost: is to the gain or loss :: so is 100', or $100, to the gain or loss per cent.

EXAMPLES1. If I buy Irish linen at 2s. per yard, and sell it again at 2s. 8d. per yard; what do I gain per cent, or in laying out 100t. . As : 2s. 8d. : : 1001 : £33 6s. 8d. Ans. 2. If I buy broadcloth at 3 dols. 44 cts. per yard, and sell it again at 4 dols. 30 cts. per yard: what do I gain per ct. ut in laying out 100 dollars?

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Ans. 25 per cent. Gained per yd. 86 3. If I buy a cwt. of cotton for 34 dols. 86 cts, and sell it again at 414 cts. per lb. what do I gain or lose, and what per cent.” $ cos. 1 cwt. at 411 cts, per lb. comes to 46,48 Prime cost 34,86

Gained in the gross, $11,61 As 34.86 : 11,62 : : 100 : 33). Ans. 33 per cent. * Bought sugar at Sod. per Ib, and sold it again at 41. 17s. per cwt. what did I gain percent. Ans. E25 19s. 5; d. 5. If I buy 12 hlids of wine for 2041, and sell the same again at 14, 17s.6d. per hld. do I gain or lose, and what per cent. 1 Ans. I lose 121 percent. 6. At Hol. profit in a shilling, how much per cent.” - Ans. E12 10s.

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7. At 25 cts, profit in a dollar, how no on per cent.” Ans. 25 per cent.

Note:-When goods are bought or sold on credit, you must calculate (by discount) the present worth of their price, in order to find your true gain or loss, &c.

Ex-MPLEs.

1. Bought 164 yards of broadcloth, at 14s. 6d. per yard ready money, and sold the same again for 1541. 10s. on 6 months credit; what did I gain by the whole; allowing discount at 6 per cent a year? - +. £. £. . s. £. s.

As 103 : 100 : : 154 10 : 150 0 oresent worth.

118 18 prime cost.

Gained £31 a 41-seen. 2. If I buy cloth at 4 dols. 16 ct, per yard, on eigh months credit, and sell it again at 3 dols. 90 cts. per yo ready money, what do I lose per cent, allowing 6 per cen discount on the purchase price? Ans. 24 per cent.

III. To know how a commodity must be sold, to gau, or lose so much per cent.

Rule.—As 100 : is to the purchase price : ; so is 1001, or 101 dollars, with the profit added, or loss subtracted : to the selling price.

Ex-MPLEs. 1. If I buy Irish linen at 2s. 8d. per yard; how must 1 sell it per yard to gain 25 per cent.” As 100. : 2s. 8d. : : 125l. to 2s. 9d. 3 qrs. Ans. 2. If I buy rum at I dol. 5 cts, per gallon; how must 1 sellit per gallon to gain 30 per cent.” As $100 : $1,05 : : $130 : $1,364 cts. Ans. 3. If tea cost 54 cts. per lb.; how must it be sold per lb to lose 121 per cent. 1 As $100: 54 cts. : : $87, 50cts. : 47 cts. 24 m. Ans. 4. Bought cloth at 17s.6d. per yard, which not provina so o as I expected, I am obliged to lose 15 percent. *it; how must I sell it per yard? Ans. 14s. 10; d.

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5. If 11 cwt. I qr, 25 lb. of sugar cost 126 dols, 50cts. how must it be sold per lb. to gain 30 per cent. ” Ans. 12 cts, 8m. 6. Bought 90 gallons of wine at 1 dol. 20 cts. per gal: but by accident 10 gallons leaked out; at what rate must I sell the remainder per gallon to gain upon the whole prime cost, at the rate of 124 per cent.” Ans 81, 51 cts. Som.

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IV. When there is gained or lost per cent to know

what the commodity cost. Rule.—As 100, or 100 dols, with the gain percent, added, or loss percent, subtracted, is to the price, so is 100 to the prime cost.

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1. If a yard of cloth be sold at 14s. 7d. and there is gain* 16t. 13s. 4d. percent. ; what did the yard cost? £. s. d. s. d. E. As 116 13 4: 14 7: : 100 to 12s. 6d. Ans. 2. By selling broadcloth at 3 dols. 25 cts. per yard, I use at the rate of 20 per cent. ; what is the prime cost of raid cloth per yard? Ans. $4,06 cts. 21 m. 3. If 40 lb. of chocolate be sold at 25 cts, per lb, and I gain 9 percent.; what did the whole cost me? Ans. $9, 17 cos. 4m.-4. Bought 5 cwt. of sugar, and sold it again at 12 cents wer lb. by which I gained at the rate of 25 per cent. ; what did the sugar cost me per cwt. 1 Ans. $10,70cts. 9.m.-H.

W. If by wares sold at a given rate, there is so much f. or lost per cent to know what would be gained or ost per cent. if sold at another rate. Rule.--As the first price: is to 1001, or 100 dols, with the profit percent added, or loss percent subtracted :: so is the other price: to the gain or loss percent. at the other rate. N. B. If your answer exceed 100l. or 100 dols, the excess is your gain per cent.; but if it be less than 100, that defriency is the loss percent.

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