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30-03-2017
Mathematics

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The perimeter of a rectangle is 90 cm. Its width is half its length. Which equation could be solved to find the dimensions of the rectangle?

The perimeter of a rectangle is 90 cm Its width is half its length Which equation could be solved to find the dimensions of the rectangle class=

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11-06-2017

Letter B would be the answer.
2L + 2(1/2L) = 90
2L + L = 90
3L = 90
L = 30
(1/2)(30) = 15
W = 15
CHECK:
30 + 30 + 15 + 15 = 90

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