Question

A car moves uphill at 40 kilometre per hour and then back downhill at 60 kilometre per hour. What is the average speed for the round trip?​

Answer 1

Answer:

50km/hr

Explanation:

average speed =total speed/no of speed

average speed =60+40/2

average speed =100/2

average speed =50

Answer 2

Answer:

50 kmph

Explanation:

speed uphill= 40 kmph

speed downhill= 60 kmph

average speed = 40+60/2=100/2=50 kmph

hence, the average speed to down hill is 50km/h