SOLUTION: The length of a rectangle is one less than twice the width. The perimeter is 40 in. Find the dimensions of the rectangle

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Question 559640: The length of a rectangle is one less than twice the width. The perimeter is 40 in. Find the dimensions of the rectangle
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


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: inches, , and . Do the arithmetic.

John

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