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.

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.

PsyDAG · Answer

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.