EXAMP. What will 2210 guilders in bank money amount to in Holland currency, the agio being 3½ per cent.?

Guild.
As 100 : 103½ :: 2210
8 8 825
800 825 11050
4420
17680
16... 20
22 10 00
16 8
63 2
36 16
72 32
72 32

Or, by practice,

50) 2210
44.2 = 2 per cent.
22.1 = 1 per cent.
2.7625 = ¼ per cent.
2279.625

If the agio only be required, make the agio the middle term, thus:

Guil. fl. pen.

As 100 : 3½ :: 2210 : 69 1 4 agio. Or work by practice as above.

PROB. II. To reduce current money to bank money.

RULE. As 100 + agio to 100, so the given guilders to the answer.