Question

A car travels 34 km in 0.5 hr, then 15 km in 0.2 hr. what is the average speed

Answer 1

Answer: Average speed = 71.5km/hr

Explanation:

1st = 34km in 0.5hr = 34/0.5 = 68 km/hr

2nd = 15km in 0.2hr = 15/0.2 = 75 km/hr

Average speed= 68 + 75/2

= 71.5 km/hr