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If Bill drives 45 MPH and Jim leaves 2 hours later and drives 75 MPH and they both maintain constant speed, how long will Jim travel before passing Bill?

  • Math - ,

    the key point is that when Jim passes Bill, at that moment they will have traveled the same distance.

    Distance covered by Bill = 45t
    Distance covered by Jim = 75(t-2)

    equate those two expressions and solve for t

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