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11 July, 17:03

Destiny reached the 3-km mark of the race at 10:36am and the 5-km mark at 10:44am. WHat is her running rate

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  1. 11 July, 17:57
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    Running rate of Destiny is 15 kmph

    Step-by-step explanation:

    Running rate of Destiny is the speed at which Destiny is running.

    It can be calculated by finding the difference in the distance covered to the difference in the time taken.

    So,

    Running rate = Difference in distance covered / Difference in time taken

    Difference in distance covered = 5-3 = 2 km

    Difference in time taken = 10:44 am - 10:36 am = 44 - 36 minutes = 8 mins = 8/60 hour = 2/15 hour

    Running rate = 2 / (2/15) kmph = (2*15) / 2 = 15 kmph

    ∴Running rate of Destiny is 15 kmph
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