The refult of the following is in rials plate, and maravadies. 5. In 610 hard dollars, how many rials plate. 6. What will 2632 barrels of flour come to, at II current dolper barrel ? lars 2632 1 I 28952 piaftres or current dollars 8 rials plate 1 piast. or current dollar Anf. 231616 rials plate. 7. 88 lafts of white dry falt, at 6 piaftres per laft. 8. Change £.600 fterling to rials plate, exchange ar 361d. fterling per piaftre. 600 20 9. In .3200 Sterling, how many rials plate, exchange at 361d. Sterling per piaftre ? Anf. 169489 r. plate 22 mar. N. B. In Sr. LUCAR accounts are kept in Rials plate and Quartos, 16 quartos to 1 rial plate. BILBO A. Accounts are kept in Rials vellon and Maravadies, 34 maravadies making 1 rial. To change piaftres or current dollars to rials plate. RULE. As current dollar is to 15 rials 2 maravadies, so is the given fum to the rials required; or, multiply the fum by 15 rials 2 maravadies, for rials. To change current dollars to sterling. RULE. As 1 dollar is to the rate of exchange, so is the given fum to the sterling required. EXAMPLE. In 5000 piaftres or current dollars, how many pounds sterling, exchange at 36fd. per dollar? To change flerling to current dollars. RULE. As the rate of exchange is to 1 dollar, so is the given fum to the dollars required. EXAMPLE. In £.757 16 3 sterling, how many current dollars, exchange at 363d. fterling per dollar ? d. dol. £. s. d. As 36 : I :: 757 16 3 To change fterling to rials vellon. RULE. As the rate of exchange is to 15 rials 2 maravadies, so is the given sum to the rials required. EXAMPLE. In £.436 10s. fterling, how many rials vellon, exchange at 363d. fterling per current dollar? £. s. As 36: 15 2 :: 436 10 8 20 1. tal ? 2. PRACTICAL QUESTIONS. What will 122 quintals of fish come to, at 136 rials per quin 122 136 732 366 122 Anf. 16592 rials. What is the cranage of 1137 quintals of fifh, at 10 marava dies per quintal? Anf. 334 R. 14 M. PORTUGAL Accounts are kept in Millreas and Reas, reckoning 100 reas to I millrea of 5s. 74d. Sterling, or 1 dol. 25 cts. in the United States. A vinten is 20 reas, and 5 vintens is a feftoon of 100 reas. 1. Change 579 millreas 740 reas to Federal, at 1 dol. 25 cts. per millrea. 2. Change 724 dols. 67 cts. to millreas, at I dol. 25 cts. per millrea. 1,25)724,675(579 mill. 740 reas. Or, deducting from the sum in Federal money gives the millreas, &c. Example. 724,675 579:740 as before.. |