sharonfeng9282 sharonfeng9282

09-06-2017
Mathematics

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The formula for the perimeter of a rectangle is p = 2w + 2l.what is the length of a rectangle if the perimeter is 100 feet and the width is 20 feet?

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crisforp crisforp

09-06-2017

We solve the equation: 100 = 40 + 2xl;
Then, 60 = 2xl;
l = 60÷2;
l = 30.

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