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Any number of pounds, shillings, pence, and farthings, in the currency of any state, may be changed to Federal Money, by reducing all the less denominations to the decimal of a pound, and dividing the whole by a fraction, made by taking the number of shillings which equal a dollar for a numerator, and 20 the number of shillings in a pound, for a denominator.
For reducing shillings, pence, and ...; to the decimal of a pound, the studentis referred to Expl. of question 52, page 152,-to rule, page 182 and to the several Expls. under that rule.
The reasons of the foregoing observations, will at once appear to the learner, when he considers that the fraction will be the same part of a pound, that one dollar is, and every time the fraction is taken from the number of pounds given, an unit is put in the quotient, which must be one dollar.
JNote.—If the value of a dollar be expressed in shillings and pence, reduce the shillings to pence and add the given pence for a numerator, and 20 shillings to pence for a denominator.
1. In 24 pounds New-England currency, how
Explanation.—6 s. equal # or or of a pound, therefore there will be as many dollars in 24 pounds as so can be taken times from 24.
Ans. $80. 2. How many dollars in 21 +. 12 s. New-England currency 2 Ans. 72. 3. Change 9 36. 10 s. 6 d. New-England currency to Federal money. Ans. $31,75. 4. Change 5 s. 34 d. New-England currency to Federal money. Ans. $0,881 +. 5. In 15 fl. 15 s. New-York currency, how many dollars ? Ans. $39,375. 6. Change 17 s. 10 d. 3 qr. New-York currency, to Federal money. Ans. $2,236+.
o 8. Reduce 49 £. 7 d. Maryland currency, to Federal money. Ans. $130,744+. 9. Change 10.6. 3 qr. South-Carolina currency, to Federal Money. Ans. $42,87+. 10. In 19 s. 11 d. Georgia currency, how many dollars ? Ans. $4,267-i-. But few countries make use of the same coin, or coins of the same value. The following table shows the value of several soreign coins in dollars and cents.
TABLE, 1 Pound sterling of Great Britain =$4,44. 1 Pound sterling of Ireland = 4, 10. 1 Pagoda of India = 1,84. 1 Milrea of Portugal = 1.24. 1 Tale of China = 1,48. 1 Rix dollar of Sweeden and Denmark = 1,00. 1 Silver Rouble of Russia = ,75. 1 Rupee of Bengal = ,50. 1 Florin or Guilder of the kingdom of the Netherlands = ,40. 1 Mark Banco of Hamburg = ,334. 1 Frank of France = , 18;. 1 Livre tournois of France = , 18%. 1 Real of Plate of Spain = , 10. 1 Real of Vellon of Spain = ,05.
When the value of any number of foreign coin is required in Federal money, if that number be multiplied by the value of one in dollars and cents, the product will express the value of the whole in dollars and cents, for the product contains the multiplier as many times as the multiplicand contains an unit.
1. A merchant bought 45 crates of ware in Liverpool for 245 pounds sterling; how many dollars did he give for each crate 2 Ans. $24,173+.
2. A merchant bought 50 tons of iron in St. Petersburg for 40 roubles per ton. He paid for importation and duties $2000. What did the iron cost him per ton? - Ans. $70.
3. In 76 pounds 13 shillings of Irish currency, how many dollars ? Ans. $314,265. 4. Bought 2361 flasks of olive oil at Bordeaux for 787 franks, and paid other charges to the amount of 120. The whole was sold in Philadelphia for $377,76. What was the gain on one flask” Ans. 4 cents, 6–H mills. 5. A sea-captain obtained board in Hamburgh 6 weeks for 112 mark bancos. What did his board cost him per day in Federal money Ans. $0,888-i-. 6. If a man pay 10 tales per chest for tea in Canton, how much must he sell it for per chest to gain 35 per cent., allowing the cost of importation and duties to be 3 times the original cost? Ans. $79,92.