4MA0 Higher January 2016 Paper 4 Q7
7 A clothes shop has a sale.
In the sale, normal prices are reduced by 12%
The normal price of a shirt is £30
(a) Work out the sale price of the shirt. (3)
The price of a coat is reduced by £9 in the sale.
(b) Work out the normal price of the coat. (3)
| Scheme | Marks |
|---|---|
| \(\dfrac{12}{100} \times 30\) or 0.12 × 30 or 3.6 | M1 |
| 30 – "3.6" | M1dep |
| 26.4(0) | A1 |
| (3) |
Notes
M2 for \(\dfrac{88}{100} \times 30\) or 0.88 × 30
| Scheme | Marks |
|---|---|
| \(\dfrac{9}{0.12}\) or \(\dfrac{9}{12} \times 100\) oe | M2 |
| 75 | A1 |
| (3) |
Notes
M2: M1 for \(\dfrac{9}{12}\) or 9 = 12% or \(9 = \dfrac{12}{100}\) oe
A1: (NB: if 75 ± 9 calculated, M2 only)