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Two hikers begin walking towards each other from an initial distance of 20 km
apart. Hiker P averages 4 km/h while hiker Q averages 6 km/h. When and where do
they meet?

  • maths - ,

    d1 = distance hiker P traveled,
    d2 = distance hiker Q traveled,

    d1 + d2 = 20 km.
    4t +6t = 20 km,
    10t = 20,
    t = 2 h = time they met.

    4t = 4 * 2 = 8 km = d1.
    6t = 6 * 2 = 12 km = d2.

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