Intermediate June 2022 Unit 2 Q9
9. A car travels 129·5 miles in 3 hours 30 minutes.
Calculate the average speed of the car.
Give your answer in miles per hour. [3]
| Scheme | Marks | Comments |
|---|---|---|
| Use of 129·5 / time | M1 | Allow M1 even for e.g. 129·5/3 hours 30 mins or 129·5/3·3(0) or 129·5/210. |
| 129·5 ÷ 3·5 or equivalent | M1 | Must be a complete and correct method e.g. 129·5/210 × 60. |
| 37 (miles per hour) | A1 | CAO. Award M1M0A0 for sight of unsupported 0·61(6666….) (use of 129·5/210) OR 39·24(2424…) (use of 129·5/3·3). |