W = width
L = length = W + 6
Area = LW = W(W + 6) = 91
W2 + 6W - 91 =0
(W + 13)(W - 7) = 0
The negative root is extraneous and W = 7; then L = 13
Courtney L.
asked • 09/07/18Math problem
The length, l, of a rectangular window is 6 more feet than its width, w. The area of the window is 91 square feet. What are the dimensions of the window?
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