algebra 2

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the height of a box is 6 inches. the length is three inches more than the width. find the width if the volume is 240 cubic inches

  • algebra 2 -

    Volume = HLW

    Volume = 240

    H = 6

    If W = x, then L = x +3

    240 = 6x(x+3)

    40 = x^2 + 3x

    0 = X^2 + 3x - 40

    Solve for x.

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