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alegebra

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amelia gets 4 points for each correct answer and loses 1 point for each worng answer. One her last quiz she earned 50 points and answered 25 questions. write a system of equations

  • algebra -

    to do what?

  • alegebra -

    c = number of correct answers
    Amelia gets 4 points for each correct answer so...
    4c = how many points she gets from answering correctly

    Points deducted = 1(25-c)
    25 is number of questions
    Therefore...
    4c-1(25-c)=50

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