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chemistry

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Rita traveled 135 miles in 4 fewer hrs than it took Jean to traveled 945 miles. If jeans speed was 3 times that of rita what was the speed of rita?

  • chemistry - ,

    Not really chemistry!

    If the speed of Jean is J mph and the speed of Rita is R mph then we can write 3 equations where t=time(hrs) taken by Jean.
    Jxt=945
    R(t-4)=135
    J=3R

    and solve for R

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