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-   -   Substitution, Elimination- Problem solving (https://www.askmehelpdesk.com/showthread.php?t=519809)

  • Oct 24, 2010, 11:21 AM
    matt1595
    Substitution, Elimination- Problem solving
    A Porsche travelled 1.6 times as fast as the BMW. The difference of speed was 45 km/h. Determine the speed of each car.
  • Oct 24, 2010, 11:23 AM
    matt1595
    Elimination+Substitution- Word Problem
    A porsche travelled 1.6 times as fast as the BMW. The difference of speed was 45 km/h. Determine the speed of each car.
  • Oct 24, 2010, 11:43 AM
    galactus


  • Oct 24, 2010, 12:14 PM
    matt1595
    Comment on galactus's post
    What was the final speeds? The equation you used to get them?
  • Oct 24, 2010, 12:38 PM
    Unknown008

    In the post of galactus,

    p is the speed of the Porshe and b the speed of the BMW.

    Solve using simultaneous equations to get the value of p and b, the speeds that you are looking for.

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