# What is the car's average speed over the entire journey?

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A car covers its outward journey at 66 mph.

It returns, over exactly the same distance, at 33 mph.

What is the car's average speed over the entire journey?

posted Oct 23, 2018

44 mph

The distance is 66t +33*2t=132t
Time spent is t+2t=3t
Average speed - 132t/3t=44 mph

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