4MA0 Foundation June 2014 Paper 1 Q20
20 Helen’s savings increased from £155 to £167.40
Work out the percentage increase in Helen’s savings.
(3)
| Scheme | Marks |
|---|---|
| 167.4 – 155 (= 12.4) | M1 |
| “12.4” ÷ 155 (= 0.08) | M1 |
| 8 | A1 |
| (3) | |
| (3 marks) |
Notes
M1: dep
A1: cao
Alternative
| Scheme | Marks |
|---|---|
| 167.4 ÷ 155 (= 1.08) | M1 |
| "1.08" – 1 (= 0.08) | M1 |
| 8 | A1 |
Alternative
| Scheme | Marks |
|---|---|
| 167.4 ÷ 155 (= 1.08) | M1 |
| "1.08" × 100 (= 108) | M1 |
| 8 | A1 |
If build up approach used, award M2A1 for correct answer, otherwise M0A0.