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Finding the length of the circuit.

  1. Jun 9, 2016 #1
    1. The problem statement, all variables and given/known data
    Q36hall_XXIV.jpg

    2. Relevant equations
    D = rt

    3. The attempt at a solution


    This is my attempt



    let d= length of the circuit
    60/a mph --- speed for walking
    60/b mph ----speed for riding
    60/c mph ---- speed for driving

    d=(60/a)t1+(60/b)t2+(60/c)t3

    From here I cannot continue. Kindly help me. Thanks!
     
  2. jcsd
  3. Jun 9, 2016 #2

    ehild

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    Homework Helper
    Gold Member

    Use the information given in the problem for the times of the different routes, using some notation for the sides of the triangle.
     
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