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A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0 s. She then gets out of the cart and starts walking at an average speed of 1.60 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.10 m/s?

I need help solving for T. I don't understand how to do it since there is a T on both sides of the problem

  • Physics -

    Hmmmm. Are you certain you want to take physics? Here is an example:
    a*T+ 19= b*T - 24
    subtract b*T from both sides...
    subtract 19 from both sides..

    T= -43/(a-b)

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