Asked by aaron

The length of a rectangle is 2 1/2 times the width, and the perimeter is 42 feet. What are the dimensions of this rectangle?

Answers

Answered by Ms. Sue
P = 2L + 2W

42 = 2(2.5W) + 2W

42 = 5W + 2W

42 = 7W

6 = W

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