Answer: W = 8 yd, L = 24 yd
Explanation:
L = 3W
P = 2(L+W)
= 2(3W+W)
= 2(4W)
= 8W
W = P/8 = 64/8 = 8 yd
L = 3W = 3(8) = 24 yd
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