A car travel to a place 150 km away at an average speed of 50 km/hr and returns it 30 km/hr. What is the average speed of the whole journey?

A car travel to a place 150 km away at an average speed of 50 km/hr an

1.	A car travel to a place 150 km away at an average speed of 50 km/hr and returns it 30 km/hr. What is the average speed of the whole journey?
A.	35.5 km/hr
B.	37.5 km/hr
C.	40.5 km/hr
D.	33.5 km/hr
Answer» C. 40.5 km/hr

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A car travel to a place 150 km away at an average speed of 50 km/hr and returns it 30 km/hr. What is the average speed of the whole journey?

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