Question 1045583
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Hi,
     *[illustration rectangle.png].
P = 2L + 2w
162 = 2(w+9) + 2w
162 = 4w + 18
144 = 4w
36ft = w, L = 45ft

checking
2*45ft + 2*36ft = 90ft + 72ft = 162ft   CHECKS