Mathematics, 25.11.2020 22:00, gamallopatty

A train traveled at an average speed of 45 miles per hour for 40 minutes, and at an average speed of 60 miles per hour for 1 hour. What was the average speed of the train, in miles per hour, for the trip? a.) 50, b.) 52.5, c.) 54, d.) 57,5, e.) 60

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A train traveled at an average speed of 45 miles per hour for 40 minutes, and at an average speed of...