4400 Higher November 2008 Paper 3 Q5
5 In a sale, normal prices were reduced by 35%.
(a) The normal price of a camera was £180
Work out the sale price of the camera. (3)
Work out the sale price of the camera. (3)
(b) The normal price of a clock was reduced by £84
Work out the normal price of the clock. (3)
Work out the normal price of the clock. (3)
(c) The sale price of a computer was £442
Work out the normal price of the computer. (3)
Work out the normal price of the computer. (3)
| Scheme | Marks |
|---|---|
| \(\dfrac{35}{100} \times 180\) or 63 | M1 |
| 180 − “63” | M1 |
| 117 | A1 |
| (3) |
Notes
M1: M2 for \(\dfrac{65}{100} \times 180\)
M1: dep
A1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{84}{0.35}\) or \(84 \times \dfrac{100}{35}\) | M2 |
| 240 | A1 |
| (3) |
Notes
M2: for \(\dfrac{84}{0.35}\) or \(84 \times \dfrac{100}{35}\)
M1 for \(\dfrac{84}{35}\) or 2.4
| Scheme | Marks |
|---|---|
| \(\dfrac{442}{0.65}\) or \(442 \times \dfrac{100}{65}\) | M2 |
| 680 | A1 |
| (3) | |
| (9 marks) |
Notes
M2: for \(\dfrac{442}{0.65}\) or \(442 \times \dfrac{100}{65}\)
M1 for \(\dfrac{442}{65}\) or 6.8 or 65% = 442
A1: cao