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Verified answer
P = 8 cml = (2x - 3)
A.
L ≤ 40
p x l ≤ 40
8 (2x - 3) ≤ 40
16x - 24 ≤ 40
B.
16x - 24 ≤ 40
16x ≤ 40 + 24
16x ≤ 64
x ≤ 64/16
x ≤ 4