Answer:
B
Explanation:
Minimum L = 45
Maximum L = 180
L(w) = 3w - 27
Therefore, when 45 = 3w - 27 ⇒ w = 24
when 180 = 3w - 27 ⇒ w = 69
So 24 ≤ w ≤ 69
Therefore, the answer is B
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