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 2x1
so isn't 2(x) + 2(2x1) = 40 ?
solve for x