SOLUTION: The length of a rectangle is 2 inches longer than, its width. If the perimeter of the rectangle is 40 inches, find its area

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Question 518411: The length of a rectangle is 2 inches longer than, its width. If the perimeter of the rectangle is 40 inches, find its area
Answer by solver91311(24713) About Me  (Show Source):
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If a rectangle with perimeter has a length that is units longer (or shorter if ) than times the width, ,

Then knowing that the Perimeter is given by:

,

make the substitution:



Then solve for







For your problem: , , and . Do the arithmetic to determine the length and width. Then multiply the length times the width to get the area.

John

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