4MA0 Foundation January 2018 Paper 1R Q16
16 Faisal lives in the USA.
He wants to buy one cotton sheet.
In the USA one sheet costs 79 US dollars.
Faisal knows that the same type of sheet costs 210 Egyptian pounds when bought in Egypt.
He also knows these exchange rates.
| 1 euro = 1.10 US dollars |
| 1 euro = 9.72 Egyptian pounds |
How much cheaper is the cost of one sheet when bought in Egypt than when bought in the USA?
Give your answer in US dollars correct to the nearest dollar.
(4)
| Scheme | Marks |
|---|---|
| 210 ÷ 9.72 (= (€)21.60..) | M1 |
| ‘21.60..’ × 1.10 (= ($)23.765) | M1 |
| 79 – 23.765.. | M1 |
| 55 | A1 |
| (4) |
Notes
M1: for 210 ÷ 9.72 or ($)1 = 9.72 ÷ 1.10 (= 8.836.. (EGP)) oe
M1: for ‘21.60..’ × 1.10 or 210 ÷ ‘8.836..’ (= 23.765..) oe
A1: (Accept answer in the range 55 – 55.3)
ALT
| Scheme | Marks |
|---|---|
| 79 ÷ 1.1 × 9.72 (= 698.7..) OR 79 ÷ 1.1 (= 71.81...) and 210 ÷ 9.72 (= 21.60...) | M1 |
| ‘698’ – 210 (= 488.7...) OR ‘71.8’ – ‘21.6’ (= 50.21...) | M1 |
| ‘488’ ÷ 9.72 × 1.1 OR ‘50.2’ × 1.1 | M1 |
| 55 | A1 |
Notes
M1: convert $79 into pounds OR convert $79 into euros and 210 pounds into euros
M1: (dep) for subtraction ‘698’ – 210 or ‘71.8’ – ‘21.6’
M1: for conversion of answer into dollars
A1: (Accept answer in the range 55 – 55.3)