SOLUTION: the perimeter of a rectangle is 22 inches. The difference between the length and width is 3 inches. find the width

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Question 541784: the perimeter of a rectangle is 22 inches. The difference between the length and width is 3 inches. find the width
Answer by friesr(113) About Me  (Show Source):
You can put this solution on YOUR website!
Lets call the length x, then the width will be x-3. The perimeter of a rectangle is 2L + 2W
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2x + 2(x-3) = 22
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2x + 2x - 6 = 22
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4x - 6 = 22
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4x = 28
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x = 28/4 or 7
The lenght = 7
Width = 7-3 or 4
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Check
7 + 7 + 4 + 4 = 22