Mathematics, 21.04.2021 01:00 mary9590

An automobile goes to a place 72 miles away and then returns, the round trip occupying 9 hours. His speed in returning is 12 miles per hour faster than his speed in going. Find the rate of speed in both going and returning.

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An automobile goes to a place 72 miles away and then returns, the round trip occupying 9 hours. His...

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