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RULE.—From the Lawful subtract 4, the remainder will be Sterling.

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To change Canada and JNova-Scotia Currency to Federal JMoney— the dollar being 5 shillings. RULE.—As the value of a dollar is equal to one-fourth of a pound, multiply the sum, when in pounds, by 4, for dollars.

When there are shillings, &c., reduce the given sum to pence, annex two ciphers, and divide by 60, for cents.

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.Ans. 144 dolls. 2. Change £528 12s. 6d. Canada Currency to Federal Money.

20 Or thus, 528

--- 4

10572

12 2112

- 10 shill.– 2 60)12687000 2s. 6d.= 0 50 211450 cts. 2114 50

Jlms. 2114 dolls. 50 cts.

72. Lawful to sterling 2–73. How is the currency of Canada and JNova-Scotia changed to federal money 3

CASE VIII.

To reduce English or Sterling JMoney to Federal Money.

Rule.—Multiply English money by 40,–divide the product by 9, and the quotient will be dollars, or dollars, cents and mills.”

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Shewing the rates at which the following foreign coins and currencies are estimated at the Custom-Houses of the United States.

Pound sterling of Great-Britain, - - " - 4,44
Pound of Ireland, - - - - : 4,10
Livre tournois of France, - - - - ,184.
Franc, do. - * - - " - ,18;
Silver Rouble of Russia, - - - - ,75
Florin or Guilder of the United Netherlands, - ,40
Mark Banco of Hamburg, - - - - .33%
Rix Dollar of Sweden and Denmark, - - 1,00
Real of Plate of Spain, - - - - ,10
Real of Wellon of do. - - - - ,05
Milrea of Portugal, - - - - - 1,24
Tale of China, - - - - - - - 1,48
Pagoda of India, - - - - - - 1,84
Rupee of Bengal, - - - - - ,50

NoTE.—Any number of either of the above coins or currencies may be easily reduced to Federal Money, by multiplying the value of one in cents by the given number, and the product will be cents.

--

* As a dollar is equal to nine fortieths of a pound, therefore multiplying by 40, and dividing the product by 9, must give dollars, cents and mills.

* 74. How is sterling money reduced to federal 2–75. What is the value in federal. , money of the pound sterling of Great-Britain 2–-76. Of the Irish pound 3–77, of the Livre tournois of France 3–78. Of the silver rouble of Russia 2–79. Qf the tale of China 7–80. And of the rupee of Bengal?

COMPOUND ADDITION.

Compound Apnition is the adding together of several numbos, having dioerent denominations, as, pounds, shillings, pence, & , tons, hundreds, quarters, &c.

RULE.

* of the pumbers, so that those of the same denomination

mo 'rectly under each other.
- -

%. , first column or denomination together as in whole mino divide the sum by as many of the same denominassion c : , - of the next greater, setting down the remainde, " 'uma added; carry the quotient to the next su, orie in, continuing the same to the last column, which au.' ' . . . . addition.*

Proof.- : * as in simple addition.

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* The reason of this role is or from what has been said in addition of simple aumbers : for, or odoo, a roomey, as n the pence is “qual to 4 in the farthings; 1 in the shillino, to 12 in to perce, and 1 in the pounds, to 20 in the shillings:—therefore, carrying as do. rooms oe a.oney arising from each column, properly, in the scale of deo. on so or as ong will hold good in the addition of come pound numb is : * ~ *, *, *, *t → • tever.

31. Tylar o co - . . . . . .-62. What is the rule —83. What the method of erro - a . . . . ov, &c. are there in an eagle *

-

Table of English JMoney.

12 Pence Shilling, . S.

4 Farthings - Penny, marked, qrs, d. MAKE ONE 20 Shillings Pound, f.

Not E.....}=l farthing, or a quarter of any thing.
3–2 faithings, or half of any thing.
=3 farthings, or three quarters of anything.

IPEN. cr: An ID shir LLING TABLEs

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30 - - - - 2 6:110 - - - - 9 2; 70 - - - - 3 10 to . . . . 3 #120 - - - - 10 of 30 - - - - A 50 - - - - 4 24.240 - - - - 20 of 90 - - - - 4 10 60 - - - - 5 O'; 20 shill. makefil o;19 - - - - 5 0 70 - - - - 5 105 30 - - - - 1 10%. 110 - - - 5 1 80 - - - - 6 s; 40 - - - - 2 of 120 - - - - 6 0 90 - - - - , s: 50 - - - - - 10,180 - - - - 8 to EXAMPLES. 1.

f. s. d.

47 17 11 to In this example, we begin by placing

- the numbers of one denomination under

24 13 9 each other, that is to say,+pounds under

36 10 6 pounds, shillings under shillings, and pence

21 15 7 under pence. We then begin with the least

17 14 6 denomination, which is pence, and find the

T5 11 5 amount to be 46, which we bring into shil

10 10 2 lings by dividing them by 12,-we write

the remainder 10 under the column, and Ans. 174 13 10 carry the quotient 3 to the column of shil-- lings;–we then find the amount of the 126 15 11 column of shillings to be 93, which we - bring into pounds by dividing them by 20; Proof, 174 13 10 we write the remainder 13 under the col- umn of shillings, and carry the quotient 4 to the pounds;--we then find the amount of the column of pounds to be 174, which we write under the column of pounds, and find the answer to be 174f. 13s. 10d.

o 85. What is a farthing 2— 86. Repeat the table of English Money—87. How "many pence and farthings are there in a pound 3

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(or By this weight are weighed Gold, Silver, Jewels, Electuaries, and all Liquors.

Table. 24 Grains grs. Pennyweight, marked pict. 20 Pennyweights MAKE ONE& Ounce, 02. 12 Ounces Pound, it, or lb. FXAMPLE S. 1. 2. 3.

ib. oz. pywt. fb. oz. pvt. gr. ib. oz. pywt. gr. 767 10 1.7 649 11 19 20 859 9 15 20 39 6 9 32 9 6 5 437 10 17 22 417 11 16 841 16) 11 20 64% 3 7 935 9 8 473 9 4 9 738 9 4 23.

==r* The original of all weights used in England, was a grain or kernel of wheat, gathered out of the middle of the ear, and, being well dried, 32 of them were to make one pennyweight, 20 pennyweights one ounce, and 12 ounces one pound. But in later times it was thought sufficient to divide the same pennyweight into 24 equal parts, still called graius, being the least weight now in common use ; and from thence the rest are com

puted.

88. What is Troy Weight 3–89. What are its denominations 3

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