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March 28, 2017

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Plz help me to solve this question
The distance between two stations A & B is 230km.Two motorcyclistr start simultaneously from A&B in opposite directions and the distance between them after 3hours becomes 20km.if the speed of one motorcyclist is 10km,hr less than that of the other,find the speed of the two motorcyclists.

  • Math - ,

    let x be the rate(speed)

    TABLE:
    R * T = D
    M1 x 3 = 3x
    M2 x+10 3 = 3(x+10)

    solution:
    3x+3(x+10)=210 (210, bcoz 230-20 or
    distance after 3hrs)
    3x+3x+30=210
    6x=180
    x=30kph

  • Math - ,

    Thank you..

  • Math - ,

    but what is the speed of other cyclist

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