Answer:
Explanation:
£1 can be exchanged for €1.25. How many pounds will I get if I exchange €100?
1 : 1.25 = x : 100
x = 1 * 100 : 1.25
x = 100 : 1.25
x = 80
80 £
1 £-----> 1.25 €
x £-----> 100 €
x=(1*100)÷1.25= 80 £
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