8. What is the interest of 66476 liv. 10 s. 9 den. for 1 month and 10 days, at per cent. per month?

9. What is the intereft of 3255 livres, for 28 days, at per cent. per month ?

3255 1627

ΙΟ

SPANISH reckonings are of two forts

Money of plate, distinguished hard or plate dollars, &c.
Money of vellon, distinguished by current dollars.

The former is 88 per cent. above the latter.

100 reals plate being equal to 188+ reals vellon.

100 reals vellon

17 reals plate

53 do. plate.

32 do. vellon.

17 piafters or current dollars 256 do. do.

4 maravadies make 1 quarto. 8 quartos or 34 maravadies 1 real.

The peso, piafter, or current dollar of 8 reals plate, paffes at 15 reals vellon in trade, but in exchange it is estimated at 15 reals vellon 2 maravadies.

The ducat of exchange is 375 maravadies.

The real plate, is estimated 10 cents, and the real vellon at 5 cents, in the United States.

The Spanish arobe, is 25 lb.

100 lb. of Spain is 97 lb. English.

To change reals vellon to reals plate.

RULE. Multiply the given fum by 17, and divide by 32 for reals plate.

To change reals plate to reals vellon.

RULE. Multiply the given fum by 32, and divide by 17 for reals vellon.

To change reals plate and reals vellon, to Federal money. RULE. Multiply the reals plate by 10, and the reals vellon by 5, for the cents in the given fum.

EXAMPLES.

1. Change 14958 reals plate, to Federal money.

14958

2. Change 17593 reals vellon, to Federal money.

Accounts are kept by fome in hard or plate Dollars, Reals Vellon,

Others keep their accounts in Reals Plate and Maravadies, reckoning 34 maravadies to 1 real plate.

To bring reals plate to dollars.

RULE. Multiply the given fum by 32, and divide by 17 for reals vellon, and divide the reals vellon by 20 for dollars.

To change hard dollars to reals plate.

RULE. Multiply the dollars by 20 for reals vellon, and the reals vellon being multiplied by 17 and divided by 32 give the reals plate required: Or, Multiply the dollars by 10 for reals plate.

EXAMPLES.

1. In 16 hard dollars, how many reals plate?

250 quintals of fish at 4 hard dollars per quintal, what is the amount in reals plate ?

PRACTICAL QUESTIONS,

The anfwers to which are in dollars, reals vellon, and quartos.

I.

What will 45940 pipe staves come to at 80 piaftres or current dollars per M. or 1200?