Mathematics, 23.05.2020 16:59 jaejaeJae941
A truck with a heavy load drove from Boston to New York at 50 mph. After dropping of the load, it returned from New York to Boston with a speed of 70 mph. What is the average speed of the truck for the whole trip?
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A truck with a heavy load drove from Boston to New York at 50 mph. After dropping of the load, it re...
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