Mathematics for IGCSE & O level - Time (Section 1 - No. 42)
If Soraya drives for 3 hours 17 minutes and travels 140 km. What is her average speed?
40 km/h
41 km/h
43 km/h
45 km/h
Explicació
Speed = distance / time. Time = 3 hours 17 minutes = 3.283 hours. Speed = 140 km / 3.283 hours = 42.65 which is approximately 43 km/h