4MA0 Higher June 2014 Paper 4 Q4
4 In a sale, all normal prices are reduced by 15%.
(a) The normal price of a washing machine is 270 dollars.
Work out the sale price of the washing machine. (3)
Work out the sale price of the washing machine. (3)
(b) The normal price of a food processor is reduced by 13.50 dollars.
Work out the normal price of the food processor. (3)
Work out the normal price of the food processor. (3)
| Scheme | Marks |
|---|---|
| 0.15 × 270 oe (=40.5) | M1 |
| 270 – “40.5” | M1 |
| 229.50 | A1 |
| (3) |
Notes
M1: M2 for 0.85 × 270 oe or (1 – 0.15) × 270 oe
M1: dep
A1: accept 229.5
| Scheme | Marks |
|---|---|
| 13.50 ÷ 15 (=0.9) or 100 ÷ 15 (=6.6….) | M1 |
| “0.9” × 100 (=90) or “6.6…” × 13.5(0) | M1 |
| 90 | A1 |
| (3) | |
| (6 marks) |
Notes
M1: M1 for 13.5 ÷ 3 (=4.5) (=5%)
M1: dep
M1 for 4.5 × 20
M2 for 13.5 ÷ 0.15