1. A shop buys and sells products Sell at Dh 9
Click on screen
A bank is a money shop
A shop buys and sells products
Sell at Dh 9
Buy at Dh 4
Profit Dh 5
The bank buys and sells
FOREIGN CURRENCY
Sell at Dh
By buying and selling one Euro,
Buy at Dh
the bank makes a profit of 11 fils
Profit Dh

2. Use headphones or loudspeakers
The customer sells Euros
The bank buys Euros
Use the buy rate
buy sell
Solve the proportion
x = 50 x
Set up a proportion
x = 1
Euro
= Dh x
1 EURO : Dh = …… EURO : Dh …….
For 50 Euros the customer gets Dh 50

3. x = 100 / 4.34971 x = 22.99003842 x The customer buys Euros
Do not think in Dirhams
Think in Euros
The bank sells Euros
Use the sell rate
The customer exchanges 100 Dirhams
Set up a proportion
Solve the proportion
buy sell
x = 100 /
x = 1
Euro
= Dh x
1 EURO : Dh = …… EURO : Dh …….
100
For 100 dirhams the customer gets Euro 22.99