Foundation November 2018 Paper 1 Q15
15.
(a)
Alan keeps fit by walking and weight training.
The times he spends walking and weight training are in the ratio 4 : 3.
One month Alan walks for 18 hours.
Work out the number of hours Alan spends weight training during this month. [2]
(b)
Rashmi is training for a triathlon.
The number of hours she spends swimming, cycling and running are in the ratio
7 : 3 : 2
One month Rashmi trains for 48 hours.
How many more hours does she spend swimming than she does running during this month? [3]
| Scheme | Marks | Comments |
|---|---|---|
| \(\frac{18}{4} \times 3\) or equivalent | M1 | |
| 13.5 or equivalent | A1 | Do not allow \(\frac{27}{2}\) etc, as in context |
| Scheme | Marks | Comments |
|---|---|---|
| 48 ÷ (7 + 3 + 2) | M1 | May be implied by sight of 28 or 8. |
| × (7 – 2) | m1 | Or equivalent |
| 20 | A1 | |
| (5) |