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The length of a rectangle is 2 cm more than 3 times its width. Find the length of the rectangle if the perimeter is 44 cm
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Jun 21, 2020
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The length of a rectangle is 2 cm more than 3 times its width. Find the length of the rectangle if the perimeter is 44 cm
Mathematics
middle-school
Vladimir Efimov
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Vladimir Efimov
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L = 3W + 2
P = 2W + 2L
44 = 2W + 2 * (3W + 2)
44 = 2W + 6W + 4
40 = 8W
W = 5
Substitute back into L equation;
L = 3 * 5 + 2
L = 17
Pilpo
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Jun 28, 2020
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Pilpo
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