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Algebra

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Jodie bicycles 5 km/h faster than Robert. In the same time it takes Robert to bicycle 39 km, Jodie can bicycle 54 km. How fast does each bicyclist travel?

I was out of school last week with the flu, and I am trying to do this makeup work but I have no idea how to solve this. I don't need an answer, but if any one can tell me how to solve it I would appreciate it.

Thanks!

  • Algebra -

    J=R-5 where J,R are in km/hr

    Time=distance/velocity

    distanceJodie/J=distanceR/R
    54/J=39/R

    54R=39J
    then put in for J, (R-5) and you can solve it.

  • Algebra -

    the answer is 12 km/h

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