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Maths

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Two bike riders X and Y both start at 2 pm riding towards each other from 40 km apart.
X rides at 30 km/h, Y at 20 km/h. If they meet after t hours, find when and where they meet.

  • Maths -

    let the distance travelled by X be x km
    then the distance travelled by Y has to be 40-x km

    time taken by X = x/30
    time taken by Y = (40-x)/20

    but when they meet, they both took the same time, so
    x/30 = (40-x)/20

    take over ...

  • Maths -

    Thanks!

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