EXAMPLES. 1. How much Sterling money will pay a bill of 827 v 160 rees, exchange at 63½d. Sterling per millree?

Rees. d. Rees.
If 1000 : 63½ :: 827.160
8 507
8000 507 579012
413580
Rem.
8000) 419370.120 2
12) 52421 5d.
20) 4368 8s.
L. 218 8 5½ Ans.
Rees.
827.160, at 63½d.
d. 206.790
60 = ¼ 10.3395
3 = ⅛ .861625
½ = ¼ .4308125
218.4219375

The rees being thousandth-parts of the millrees, are annexed to the integer, and the operation proceeds exactly as in decimals.

2. How many rees of Portugal will 500l. Sterling amount to, exchange at 5s. 4½d. per millree?

d. Rees. L.
If 64½ : 1000 :: 500
8 20
517
8000 10000
12
120000
8000

Rees.
517) 96000000 (1856.866 Ans.

Par in Ster. s. d.
34 mervadies } make 1 rial = 0 5½
8 rials 1 piastre = 3 7
375 mervadies 1 ducat = 4 11½

In Madrid, Bilbao, Cadiz, Malaga, Seville, and most of the principal places, book and accounts are kept in piastres, called also dollars, rials, and mervadies; and they exchange with Britain generally on the piastre, and sometimes on the ducat. The course runs from 35d. to 45d. Sterling for a piastre or dollar of 8 rials.

EXAMPLE. 1. London imports from Cadiz, goods to the value of 2163 piastres and 4 rials: How much Sterling will this amount to, exchange at 38½d. Sterling per piastre?

Piast. Rials.
d. 2163 4, at 38½d. d.
24 = ¼ 216 6 38½ each.
12 = ⅛ 108 3 4 = 19½
2 = ¼ 18 0 6
½ = ¼ 2 5 0½
1 2 6½
345 17 1½
1 7½

L. 345 18 8½ Ans.

2. London remits to Cadiz 345l. 18s. 8½d. How much Spanish money will this amount to, exchange at 38½d. Sterling per piastre?

Exchange. d. Piaf. L. s. d. 2. How many ducats at Venice are equal to 385 l. Exchange.
If 38½ : 1 :: 345 18 8½ 12s. 6d. Sterling, exchange at 4s. 4d. per ducat?
20 L. Duc. L.
307 614) 1328389 (2163 piafres. If .216 : 1 :: 385.625
2 1228... .216) 385.625
12 21 385.625
614 1003 Duc.
614 (195) 347062.5 (1779.8 Anf.
3898 195
3684 1520
2149 1365
1842 1556
307 1365
8 1912
1755
Piaf. Rials. 614) 2456 (4 rials. 1575
Anf. 2163 4 2456 1560
(15)

5½ Soldi } make 1 gros
24 Gros } 1 ducat = 50½ d. Sterling.

The money of Venice is of three sorts, viz. two of bank money, and the picoli money. One of the banks deals in banco money, and the other in banco current. The bank money is 20 per cent. better than the banco current, and the banco current 20 per cent. better than the picoli money. Exchanges are always negotiated by the ducat banco, the par being 4s. 2½ d. Sterling, as in the table.

Though the ducat be commonly divided into 24 gros, yet bankers and negotiators, for facility of computation, usually divide it as follows, and keep their books and accounts accordingly.

12 Deniers d'or } make 1 sol d'or
20 Sols d'or } 1 ducat = 50½ d. Sterling.

The course of exchange is from 45 d. to 55 d. Sterling per ducat.