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Mathematics, 09.12.2021 06:40 babycakesmani

A round-trip car ride took 12 hours. The first half took 7 hours at a rate of 45 miles per hour. What was the average rate of speed on the return trips?

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A round-trip car ride took 12 hours. The first half took 7 hours at a rate of 45 miles per hour. Wha...
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