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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?
11 years ago

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Answered by PsyDAG
L = W + 7

198 = LW = W(W+7)

Solve for W then L.

Perimeter = 2W + 2L

11 years ago
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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?

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