4MA0 Foundation January 2014 Paper 1R Q15
15 The ratio of Mark’s age to Reeta’s age is 3 : 5
Mark’s age is 24 years.
(a) Work out Reeta’s age. (2)
The ratio of John’s age to Zahra’s age is 1 : 4
The sum of their ages is 45 years.
(b) Work out Zahra’s age. (2)
| Scheme | Marks |
|---|---|
| \(\dfrac{5}{3} \times 24\) | M1 |
| 40 | A1 |
| (2) |
Notes
M1: or 24 ÷ 3 (=8)
A1: cao
| Scheme | Marks |
|---|---|
| \(\dfrac{4}{5} \times 45\) oe | M1 |
| 36 | A1 |
| (2) | |
| (Total 4 marks) |
Notes
M1: or 45 ÷ (4 + 1) (=9)
A1: cao