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Two persons are to run a race, but one can run 8 meters per second, whereas the other can run 2 meters per second. If the slower runner has a 99-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time?

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Quencie
2 answers

  1. They ran for the same length of time
    let the time be t seconds

    then distance covered by faster runner = 8t
    distance covered by slower runner = 2t

    so 8t - 2t = 99
    6t = 99
    t = 99/6 or 16.5 seconds

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    Reiny

  2. Two persons are to run a race, but one can run 8 meters per second, whereas the other can run 2 meters per second. If the slower runner has a 81-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time?

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    Viola

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