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EXCHANGE.

142 2. Reduce 14958 piasters 6 reals plate, to federal money.

Ans. $11967. To reduce federal money to Spanish.

RULE.

Divide the dollars and cents by .8, and the quotient will be piasters and the decimal parts of a piaster, which reduce to reals and marvadies.

EXAMPLES. 1. Exchange for $6403.76.

Ans. 8004.7.

Philadelphia, June 10, 1829. At twenty days after sight, pay this, my second of exchange, (first of the same tenor and date unpaid) to Samuel Cunnyngham, or order, six thousand four hundred and three dollars, seventy-six cents, value received, which charge to account as per advice.

DAVID JONES. Don Juan CORDILLO,

Merchant, Barcelona. S Required the amount of the above bill of exchange in Spanish piasters. Ans. 8004 piasters 5 reals 20.4 marv.

2. Sold a draft on Don Juan De Mona, at 5 per cent. above

par,

for which I received $1223.51-how much should I be charged in piasters ?

Ans. 1456 pias. 4 reals plate 16+mary. EXCHANGE WITH PORTUGAL. The Portuguese keep their accounts in millreas and reas.

The denominations are, 1000 reas

=1 millrea. The millrea is an imaginary piece of account; the real moneys of Portugal are as follow: Silver.

cts. Crusado of 400 reas, not stamped ; value in the U S. $ .50

do. of 480 do. stamped in 1643, 12 vintin piece, or half crusado of 280 reas,

.30 5 do. do.

of 100 do.

.125 2} do. do.

of 50 do.

.064 Note.-In estimating invoices for the calculation of United States' duties, it is ordered that the millrea shall be valued at $1.24; but from the intrinsic value of the johannes, the millrea seems to be justly valued at 674d. sterling, or $1.25.

.60

cts.

Gold.
Double Johannes, or-piece of 25 millreas 600 reas,

value in the U. S.
Single do. do, 12 do. 800 do.
Half do. do. 6 do. 400 do.
Quarter do.

do. 3 do. 200 do. Eighth do. do. 1 do. 600 do. Testoon or to do.

do.

do. 800 do. Moidore,

do.
4. do.

800 do. Half Moidore, do. 2 do. 400 do. Quarter do.

1 do. 200 do.

32. 16. 8. 4. 2. 1. 6. 3. 1.50

do.

To change reas and millreas to federal money.

} To the millreas and reas add one-fourth part, the sum will be dollars and cents.

RULE.

EXAMPLES.

1. Having received accounts from Lisbon, that the sales of my wheat have neated 1933 millreas 700 reas; how much will be the amount in federal money, if I receive value for the same when the exchange is at par, or $1.25 per millrea?

Ans. $2417.125. 2. Calculate the foregoing bill at 2 per cent under, and at 3 per cent. above par, and show the difference in federal money.

Ans. $120.85625. 3. In 5000 millreas 400 reas,

how
many

dollars ?

Ans. $6250.50. To reduce dollars, cents, and mills, into millreas and reas.

RULE.

Subtract f of the money reduced to mills from them. selves, and the remainder will be millreas and reas, (a millrea being of a dollar.)

EXAMPLES.

1. Reduce $6250.50 to millreas and reas.

Ans. 5000 millreas 400 reas. 2. Having drawn on Lisbon for $1217.125, how many millreas will pay my bill when the exchange is at par

?

Ans. 973 millreas 700 reas. 3. Sold my draft on Alphonso De Consillio, at 3 per cent. under

par, for which I received $6552—how many millreas and reas was the bill drawn for? Ans. 5398 millr. 848 reas.

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EXCHANGE WITH HOLLAND. THE United States exchange with Holland at 40 cents per guilder. (20 stivers=1 guilder.)

EXAMPLES. 1. A,' of Philadelphia, is indebted to B, of Amsterdam, 2975 guilders—how many dollars is it, at 40 cents per guilder ?

Ans. $1190. 2. What must be paid in Boston for an invoice of goods, charged at 591 florins, 17 stivers, allowing the exchange at 40 cents per florin, or 2 cents per stiver, and advancing on it 60 per cent?

Ans. $378.784. EXCHANGE WITH HAMBURG. The United States exchange with Hamburg at 33} cents, per mark banco.

EXAMPLES. 1. Reduce 12843 marks banco to Federal money. Ans. $4281. 2. In $684, how many marks banco? Ans. 2052 marks.

The exchange with Denmark and Norway is intrinsically the same as with Hamburg.

EXCHANGE WITH RUSSIA. Accounts are kept in Petersburg, &c., in rubles and copecs, reckoning 100 copecs to 1 ruble.-100lbs. Petersburg weight are equal to 88.75lbs. of the United States.

EXAMPLES.

1. What will 7500 archeens of ravens-duck cost, at 14.5 rubles for 50 archeens ?-required the answer in rubles and Federal Money?

Ans. 2175 rubles, and $$1631.25. 2. How many rubles must be received in Petersburg for a bill of 15500 guilders on Amsterdam, when the exchange is 30 stivers per ruble; and how many dollars ? Ans. 103334 rubles, and $7750. EXCHANGE WITH GENOA, LEGHORN, FLORENCE,

AND CORSICA. The money of exchange are 12 denari=1 soldi; valued in the United States at $.05; 20 soldis 1 pezzo, piaster, or dollar,

EXAMPLE

In 648 pezzos, 7 soldis, 6 denares, how much Federal money?

EXCHANGE WITH CHINA. In this empire the denominations are, 10 caxa=l candareen= $.0148, 10 candareens 1 mace==$.148, and 10 mace=l tale= $1.48.

Their weights are 16 tales=1 catta=100 cattas=) picul= 133jib. United States. So lb. to cattas- cat. to lb.+$.

How many dollars will pay for an invoice of tea, amounting to 6446 tales?

Ans. $9540.08.

EXAMPLE

SUPPLEMENT TO CUBIC MEASURE, Page 87.

EXAMPLES FOR PRACTICE.

$8. per cord.

1. In a load of bark, 15.5 feet in length, 3.8 feet in width, and 4 feet in height; required its value at 64 cents per foot, otherwise

Ans. $14.725. 2. Required the quantity in a cart 8 feet in length, 3 feet 9 inches in width, and 4 feet 4 inches in height.

Ans. 130 feet. 3. Suppose a cellar dug 16 feet in length, 16 feet in width, and 6 feet in depth; required the quantity of stone to inclose a wall 14 feet thick, and 6 feet in height inside of said cellar.

Ans. 21 ji perches. 4. In a section of the country where stone is bought and sold at 16.5 cubit feet per perch, required the number of perch in a pile 22 feet in length, 4.5 feet in width, and 6 feet 4 inches in height.

Ans. 38 perches. 5. Suppose a cellar to contain 1728 cubic feet,-its length is 16 feet, and breadth 12 feet; required its depth. Ans. 9 feet.

6. Required the number of bushels of potatoes in a bin 6 feet in length, 4.5 feet in width, and 5 feet 9 inches, otherwise 5.75 feet in depth.

Ans. 105.0555+=105 bu. 1pt. + 7. If a cart contain 130 feet of bark, and is 8 feet in length, and 4 feet 4 inches in height; required the width. Ans. 3ft. 9in.

8. If on a wharf 180 feet long, and 70 feet wide, wood be piled over its whole surface 10 feet high, except a cart road of 10 feet wide for its whole length, how many cords of wood would be on the wharf?

Ans. 843.75 cords. 9. If a vessel contain 3600 cubic feet of bark upon her deck, and is 30 feet in length, and 20 feet in width; required the height.

Ans. 6 feet. 10. If a man received no allowance for shortness in purchasing 8 cords of wood that were cut 3 inches too short, how many feet would he be the loser ?

Ans. 64 feet, or cord. 11. In 221184 solid inches, how many cords? Ans. I cord. 12. How many cubic yards in a ditch 625 feet long, 9 feet wide, and 3.5 feet deep?

Ans. 729 yards. 13. How many cubical inches, and how many cubical feet in a stick of timber that is 6 inches each width and depth, and 4 feet in length ?

1728cubin Tout it 14. Required the cubical yards in digging a canal one mile in length, 20 feet in width, and 6 feet in depth; and what the digging would cost at 6 cents per cubical yard.

Ans. 23466; yards, and $1408 cost. 15. A room is 11 feet high, 21 long, and 16 feet wide; how many cubic feet of space in it?

Ans. 3696 cubic feet.

146

CUBIC AND SQUARE MEASURE.

CUBIC AND SQUARE MEASURE.

EXAMPLES.

1. How many solid feet are there in a marble stone 12.5 feet in length, 3.5 feet in depth, and 8 feet in breadth ?

Ans. 350 cubic feet. 2. How many gallons of water in a trough, 6 feet in length, 1.5 feet in width, and .75 foot in depth ? Ans. 50.1 gallons.

3. How many square feet in a board 16.5 feet long, and 1.5 feet wide ?

Ans. 24.75 feet. 4. How many square feet in a stock of 15 boards, 12 feet 8 inches in length, and 13 inches wide ? Ans. 2053ft.=205ft. 10in.

5. Required the surface (square feet) of a floor, 48.5 feet long, and 24.25 feet broad.

Ans. 1176.125ft. or, 1176 ft. 6. A man paved a court 157 feet by 12 feet, at 3 cents per square yard: how many square yards did he pave, and what did he receive?

Ans. 209, square yards=$6.28. 7. What is the solidity of a stone wall 53.5 feet long, 10.25 feet high, and 2 feet thick?

Ans. 1096.75 cubic feet. 8. How many solid feet are there in a stick of timber 70 feet long, 15 inches thick, and 18 inches wide ?

Ans. 131.25 cubic feet=1575 square feet. 9. What will be the cost of plastering a room at 10 cents per square yard, measures as follows, viz.-two sides 14.5 feet by 8.5 feet each, and two ends 12.5 feet by 8.5 feet each, with a deduction for a door that is 6 feet long, by 3.5 feet wide, and 4 windows 3.5 feet by 4 feet each.

Ans. $4.24% 10. How many feet in a board 18 feet in length, and 16 inches wide?

Ans. 24 feet. 11. Required the number of feet in a board 20 feet in length, and 1 foot wide.

12. Required the contents of a plank 30 feet in length, 22 in. in width, and 2 inches thick?

Ans. 110 feet. 13. How many cubical feet in a block of marble 10 feet long, 4.5 feet wide, and 3 feet thick?

Ans. 135 feet. 14. Bought a tier of wood measuring 28 feet in length, 3.75 feet wide, and 4 feet high, at $4. per cord, with a deduction of 4 feet, owing to some dotted sticks: I require the value of the wood,

- Ans. $13. 15. Required the quantity and value of a load of charcoal 16 feet long, 3.5 feet wide, and 4 feet high, at 10 cents per bushel ?

Ans. 151.57+bu. value $15.157. 16. Required the number of books that are 7 inches long, 4.5 inches wide, and .5 inch thick, to fill a trunk that measures 35 inches long, 18 inches wide, and 15 inches deep.

Ans. 600 books.

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