math

The area of a rectangle is
77 yd2
, and the length of the rectangle is
10 yd
less than three times the width. Find the dimensions of the rectangle.

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asked by shonta
  1. L = 3W - 10

    LW = (3W-10)W = 3W^2 - 10W = 77

    3W^2 - 10W - 77 = 0

    Solve quadratic equation for W, then L.

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    posted by PsyDAG

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