Question 1085752

L = W + 3
LW = 154 sq in

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Substitute for L in the LW=154:
(W+3)(W) = 154
W^2 + 3W - 154 = 0
(W + 14)(W - 11) = 0

W = 11 and/or W = -14   (discard W=-14 as W > 0 for a rectangle)

W=11 —>  L=14

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Ans:  The rectangle is 11in x 14in

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Sanity check:  11x14 = 154 
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