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7 February, 16:06

A bus traveled 120 miles in 2.5 hours. After picking up new passengers it traveled another 105 miles in 2 hours. What was the average speed of the bus for the entire trip? A. 48 mi/h B. 50 mi/h C. 50.25 mi/h D. 52.5 mi/h

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  1. 7 February, 17:50
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    Mph is measured by doing distance / time

    Therefore, it's average speed in the first part of the journey was 120 / 2.5 = 48mph

    The average speed in the second part of the journey was 105 / 2 = 52.5mph.

    The average speed over both parts of the journey would be (48 + 52.5) / 2 = 50.25mph.

    The answer is C.
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