Homework Help: math

Posted by chris on Sunday, September 6, 2009 at 1:37am.

the length of a rectangle is 1 inch less than twice the width, and the perimeter is 40 inches.find the width and the length.

math - Reiny, Sunday, September 6, 2009 at 7:57am
let width be x
then length is 2x-1

so isn't 2(x) + 2(2x-1) = 40 ?
solve for x
math - Anonymous, Thursday, April 28, 2011 at 8:02pm
7
math - Anonymous, Thursday, April 28, 2011 at 8:02pm
6

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