Currency exchange-primary mathematics
Currency exchange
Banks and forex bureau buy and sell currencies of different cuntries at rate different rates according to their values.
To make profit, they buy currencies at a lower value and then sell them at higher values. The difference in the selling and buying value is the banks’ profit.
Currency exchange billing board
currency | Selling in Ug. Sh. | Buying in ug.sh. |
1 US dollar ($)
1Euro (€) 1 Rwandese franc |
3,600 4,000 4.0 |
3,650 4,020 5.0 |
Note that:
(i) Converting foreign currency into local currency the customer is selling.
Thereore, local currency obtained = foreign currency x selling rate
For example 1
10 Rwaandese francs will fetch 10 x 4 = 40 Ug. Shs.
Converting local currency into foreign currency the customer is buying foreign currency
The foreign currency = (local currency)/(buying rate)
For example
36500 Uganda shilling will buy = 36500/3650 = 10 US dollar
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currencies- upper primary
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