Number 9
3 marks · EasyUse the following exchange rates:
| Currency | Rate to $1 (USD) |
|---|---|
| UK Pound (£) | 0.70 |
| Australian Dollar (A$) | 1.46 |
Calculate how many UK pounds (£) you get for $280.
Convert the same $280 into Australian dollars (A$).
If you receive £196, how many US dollars did you exchange?
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) £196 UK pounds
(b) A$408.80 Australian dollars
(c) $280 US dollars
Common mistakes: Mixing up multiply and divide for exchange rates
Show mark scheme and worked solution
Marking points
A1 (a) · 1 mark · Correctly calculates £ gained for $280
A2 (b) · 1 mark · Correctly calculates A$ gained for $280
A3 (c) · 1 mark · Correctly finds amount of US dollars exchanged to receive £196
Worked solution
(a) $280 × 0.70 = £196
(b) $280 × 1.46 = A$408.80
(c) £196 ÷ 0.70 = $280