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A truck with a heavy load drove from Boston to New York at a speed of 40 mph. After unloading, it returned from New York to Boston at a speed of 60 mph. What was the average speed for the whole trip?

Respuesta :

Catya
average speed:
(60+40)/2 = 50 mph
Average speed is the total distance traveled divided by the total time passed.
speed = distance ÷ time

The average speed is 48mph.

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