1MA0 Higher November 2014 Paper 2 Q23
*23 A road is 4530 m long, correct to the nearest 10 metres.
Kirsty drove along the road in 205 seconds, correct to the nearest 5 seconds.
The average speed limit for the road is 80 km/h.
Could Kirsty’s average speed have been greater than 80 km/h?
You must show your working. (5)
| Answer | Mark | Notes |
|---|---|---|
| Yes, average speed could have been as high as 80.622... | 5 | B1 for 4535 or 4534.999... or 202.5 M1 for 4535 (oe) ÷ 202.5 M1 for ×3600 and ÷1000 A1 for 80.622... C1 (dep on first M1) for correct conclusion from their calculations |