Numeracy Foundation November 2017 Unit 2 Q7
7.
(a) What is 3 hours 12 minutes in hours?
Circle your answer. [1]
Circle your answer. [1]
3·102 hours 3·12 hours 3·15 hours 3·2 hours 3·25 hours
(b) The first 40 miles of a journey took 1 hour 15 minutes.
The remaining 80 miles were completed in 2 hours 15 minutes.
Calculate the average speed, in mph, of the 120-mile journey. [3]
The remaining 80 miles were completed in 2 hours 15 minutes.
Calculate the average speed, in mph, of the 120-mile journey. [3]
| Scheme | Marks | Comments |
|---|---|---|
| 3.2 hours | B1 |
| Scheme | Marks | Comments |
|---|---|---|
| \(\dfrac{120}{1\text{ hr }15\text{ mins} + 2\text{ hrs }15\text{ mins}}\) | M1 | Allow with incorrect notation for 3 hours 30 minutes, including 120÷ 210, or 120 ÷ (1.15 +2.15), or 120/3.3(0) or sight of answer of 0.57(... mph) or 36.3(63... mph) or 36.4 (mph) |
| 120 ÷ 3.5 or 120 ÷ 210 × 60 \(34\frac{2}{7}\) (mph) or 34(.2857… mph) | M1 A1 | Time notation must be correct |