Posted by andrew on Friday, February 11, 2011 at 10:49am.
the length of a rectangle is 10 inches more than its width. what are the dimensions of the rectangle if its perimeter is 80 inches?

prealgebra  Ms. Sue, Friday, February 11, 2011 at 10:51am
P = 2L + 2W
80 = 2(W + 10) + 2W
80 = 4W + 20
60 = 4W
15 = W