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Mils. Rs. 8. d.

* 43.6.183 at 5.5; Note. If the reader is not *... d. , - versed in Decimals, let 5 0 is # 1091 .545.75 him divide the milreas 5 -- or 90 .962114 and reas as 1 whole num#-- # 11 .37 Ol 17 ber and cut off the three

- *- last figures from the I 193 .87806 sum (which divides it by 1000,) the figures

1193.17 6; cut off are the remain*-- der, viz. so many thou

, sandths of 11. of which remainder the value may be found. 88. How many pounds sterling in 1000 milreas, at 5s. 6d. # milrea? Answ. 275l. 89. In 2000 milreas, at 5s. 8; d. P’ milrea, how many pounds sterling 2 Answ. 570i. 16s. 8d. 90. At 5s. 63d. $2 milrea, how many l. in 2060 mil. 380 reas P. Answ. 5731. 0s. 10...d. 91. Tell me how many pounds in 1056 mil. 999 reas, at 5s. 4d. qf,’ milrea? Answ. 284]. 1s. 43...d. To reduce Sterling Money into Portugal Money.

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SECT. VII.
of Erchange tetween England and Italy.

England exchanges on Leghorn for the dollars of 6 livres, and gives pence sterling for the same, they reckon 12 deniers to the soldi, and 2 soldi to the dollar.

On Genoa for the piastre of 5 livres, they keep accounts in livres, sols, and deniers, 12 deniers- I sol, and 20 sols=1 livre. -

On Venice for the ducat of 24 gross banco for pence sterling, accounts are kept in livres, sols, and gross current, 12 gross=|l sol, 20 sols=1 livre.

The bank and bankers keep their accounts in livres, sols and grosses banco; I livre— to ducats bank, or 12 current, so that current money is of less value than bank money by 20 op' cent.

From which it is easy to conceive that these exchanges are calculated on the like principles as the French, which

having explained, it doth not appear necessary to enlarge

farther on this head.

PART II.
ARBITRATIONS OF EXCHANGE.

NDER the head of Arbitrations of Erchanges are comprehended first the calculation of the proportional exchange of two places by means of one or more intermediate exchanges given, and secondly, having two or more different routes of exchange, to compute which is more gainful, or whether it is more advantageous to remit money or bills, or to draw or order a remittance. et contra. Since Ireland draws all its foreign demands by London, there is always one intermediate exchange wherely to compute the value of any foreign sum in Irish money according to the present rates of exchange, wherefore we begin with this problem.

To reduce Foreign Money into Irish.

Examples. . 1. How much will 100i. Flemish amount to Irish currency, exchange between London and Amsterdam being 33s. 4d. Pl, and between London and Dublin s of cent. advance.

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But in this case where a comparison is made between one rate and a second, between that second and a third, between the third and a fourth, &c. instead of stating each comparison #2 Rule of Three, there is a more ready and contracted way called the Rule of Conjunction, for which this is the Rule. 1. Place the antecedents on the left, and the consequents on the right hand. - 2. The first antecedent and last consequent must be of one name or species; so must the first consequent and second antecedent. the second consequent and third antecedent, which order must be continued through the whole. 3. The terms being thus disposed, multiply all the antecedents for a divisor, and all the consequents for a dividend, if the place of an antecedent be blank: and all the consequents for a divisor, and all the antecedents for a dividend, if the place of a consequent be blank.

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Flemish 400 = 240 English. Euglish 100 = 10s Irish. Irish - - - 100 Divisor 40000 10300 2. 3. 24.0 Answ. 64; or its 4.32 2 : {}

40000) 259,2000

o Häls 2 And this operat on may be further contracod in the fillowing cases. - - * Y. of

I. If any antecedent and consequent are equal, erase them; for then the quotient or answer will result the Sature.

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5) 324 (644 Answ. II. If any antecedent and consequent be composite to each other, divide them by the greatest common measure, and take the quotients instead of the numbers themselves. 5 42.25 E 2,42: 3 røø = 108 S, P = +22, Answ. 644 = 16 III. If any term have a fraction annexed, multiply the integral part by the denominator of the fraction (adding iu the numerator) and place the result in the room of the inixt number and the denominator on the opposite side below. ~ 5 +3 = 1

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2. What is a guilder worth at Cork, if the exchange between London and Rotterdam is at 35s. Flemish of ir sterl. and the exchange from Cork to London at 9 P. cent. advance? Answ. 2, #3.

3. When the exchange between London and Dublin is 6 *P cent, advance and the exchange between London and Hamburgh at 33s. 4d. gross #P I. sterling ; what is then a marks lubs worth in Dublin Answ. 231.", d.

4. Received from Jean le Fevre of Bourdeaux, acct. sales of 400 casks of butter, neal proceeds amounting to 4326 livres. The exchange between London and Bourdeaux being 36d. it?' crown, and between London and Dublin 5

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5. What is a gnilder of 20 stivers worth at Cork, whet. the exchange between London and-Rotterdam is at 33s. 44. Flemish per l. ster!. and the exchange between London and Cork, at 8 per cent, advance for Cork : Answ. 260.

6. My correspondent at Lisbon writes that he hath remitted A B of London for my account, 537 mil. 432 reas, exchange at 5s. 3; d. per milrea, for value whereof I draw on A B at 73 per cent, advance, quere the sum Irisi, I must receive : Answ. 1531.4s. 3; d.

2. Irish into Foreign.

7. When 105]. in Dublin is worth 100 in London, and the exchange between London and Paris at 33d. per crown, how much then in Paris is 12d. of Dublin worth * Answ. 19:"r sols. 8. When the exchange between London and Dublin is 8; per cent. and between London and Rotterdaun 33s. 4d. Flemish per pound sterling ; how much is 12d. of Dublia worth in Rotterdam : Answ. 9:4 stivers. 9. Remitted George Dawson of London 1601. 10s. Irish, exchange at 7 per cent. with orders to remit the value to Gerrard Lepanto of Cadiz at 40d, sterling per dollar; I want to know what sum Spanish I am creditor for on ac

count of this remittance 2 Answ. 900 dollars,

3. Foreign exchanges may be calculated by intermediate rates in like manner. .."

10. London exchanges with Amsterdam at 38's. Flemish.

per pound sterling; Amsterdam with Middleburgh at 2 per

cent. advance : How stands the exchange between London.

and Middleburgh Answ. 34s. per ponnd sterling. 11, Amsterdam exchanges with London at 34s. 10d. and Loudon with Paris at 33d. per crown; what is the arbitrated. price then of a crown at Amsterdam : Answ. 57 "J. Flemish per crown. 12. Amsterdam exchanges with Londou at 34s. 4d. per

pound sterling; and on Lisbon at 52d. Flemish for 400

reas: How then ought the exchange to go between London and Lisbon 2 Answ. 75 'o', d. per milrea.

13. Exchange between London and Amsterdam 34s. 6d.

Flemish per pound sterling; between London and Paris 3.134. Sterling per crown; what is the proportional arbitrated price between Amsterdam and Paris? Answ. 54:#d. Flemish per crown. Y 2. 14. Paris.

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