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16 July, 15:58

A jogger runs 3km in 0.3hr, then 7km in 0.70hr what is the average speed of the jogger

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  1. 16 July, 17:51
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    10 km/hr

    Explanation:

    We are told that a jogger runs;

    3km in 0.3 hr and

    7 km in 0.7 hr

    We are required to determine the average speed;

    We need to know that average speed is given by;

    Average speed = Total distance : total time

    In this case;

    Total distance = 10 km (3km + 7 km)

    Total time = 0.3 hr + 0.7 hr

    = 1 hr

    Thus;

    Average speed = 10 km : 1 hr

    = 10 km/hr

    Therefore, the average speed of the jogger is 10 km/hr
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