Algebra 2

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The Denominator of a fraction exceeds the numerator by 4. When 3 is added to both the numerator and denominator, the fraction becomes 4/5. Find the fraction.

  • Algebra 2 -

    13/17

  • Algebra 2 -

    numerator --- x
    denominator --x+4

    (x+3)/(x+7) = 4/5
    5x + 15 = 4x+28
    x = 13

    fraction was 13/17

    check : add 3 to top and bottom ---> 16/20 = 4/5

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