prealgebra
posted by andrew .
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
P = 2L + 2W
80 = 2(W + 10) + 2W
80 = 4W + 20
60 = 4W
15 = W
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