Foundation November 2022 Paper 2 Q14
14. Lynda cycles 31·5 km from home to work each day.
(a)
One day, her journey to work takes her 1 hour and 45 minutes.
Calculate her average speed in km/h. [2]
(b)
Lynda cycles home following the same route.
She leaves work at 4 p.m.
Her average speed on this journey is 15 km/h.
At what time does Lynda arrive home?
You must show all your working. [4]
| Scheme | Marks | Comments |
|---|---|---|
| (speed =) 31.5 ÷ 1.75 | M1 | Allow 31.5 ÷ 1.45 ( = 21.7…) or 31.5 ÷ 105 ( = 0.3 ) for M1 |
| 18 (km/h) | A1 | CAO |
| Scheme | Marks | Comments |
|---|---|---|
| 31.5 ÷ 15 | M1 | |
| 2 (hours) 6 (mins) or 126 (mins) si | A2 | A1 for 2.1 (hours) A0 for 2 hours 10 minutes or 130 minutes alone |
| 6:06p.m. or 18:06 | B1 | Allow for 6:06 but not for 6:06 a.m. FT ‘their 2 hours 6 minutes’ or ‘their 126 minutes’ provided M1 awarded including answers of 6:10 p.m. or 18:10. |
| (6) |