Answers

2014-08-03T16:34:21+08:00
2L + 2W = 64 L + W = 32 L = 32 - W 240 = (32 - W)(W) 240 = 32W - W^2 (W - 20) (W - 12) = 0 W = 12, 20 if W = 12 then L = 32 - 12 = 20. if W = 20 then L = 32 - 20 = 12 Usually, the width is smaller so we might use 12 as the width.
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