Asked by anonymous
A rectangular room containing 198 square feet is 7 feet longer than it is wide. How long of a piece of crown molding is needed to trim the perimeter of the ceiling?
Answers
Answered by
PsyDAG
L = W + 7
198 = LW = W(W+7)
Solve for W then L.
Perimeter = 2W + 2L
198 = LW = W(W+7)
Solve for W then L.
Perimeter = 2W + 2L
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