Mathematics, 08.01.2021 02:50 angrybirdsryver

Derrick drove 15 miles at an average rate of 30 miles per hour. Beth drove 40 miles at an average rate of 50 miles per hour.
Which person drives for a longer time?

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Derrick drove 15 miles at an average rate of 30 miles per hour. Beth drove 40 miles at an average r...