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posted by Jenny on Tuesday, February 26, 2013 at 3:22pm.
the length of a rectangular piece of land is 40 cm more than two times its width. the perimeter is 680 cm. Find its dimensions
P = 2L + 2W 680 = 2(2W + 40) + 2W 680 = 4W + 80 + 2W 600 = 6W 100 = W
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