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31 July, 08:40

A car travels at a constant speed around a circular track with circumference equal to 2 miles if the car records a time of 15 minutes for 9 laps what is the linear speed of the car in miles per hour

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  1. 31 July, 11:40
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    Ok, the circumference is 2 mi, car does 9 laps around it in 15 minutes.

    2*9 = 18/15 = 1.2

    15/60 is 0.25

    1.2/0.25 is 4.8

    it may be moving at 4.8 mph
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