Question

Rachel wants to carpet the rectangular floor of his basement . The Basement has an area of 864 square feet . The width of the basement is 2/3 its length.
What is the length of Rachel's basement.
W = 2/3L

WL = 864

Substitute 2/3L for W in the second equation and solve for L. Insert that value into the first equation to solve for W. Check by putting both values into the second equation.

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