SOLUTION: the lenght of a rectangle is 10 m more then its breath.if the perimeter of the rectangle is 80 m find the dimensions of the rectangle

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Question 896840: the lenght of a rectangle is 10 m more then its breath.if the perimeter of the rectangle is 80 m find the dimensions of the rectangle

Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
P = 80
L = W+10
P = 2L + 2W
80 = 2L + 2W
80 = 2(W+10) + 2W
80 = 2W + 20 + 2W
80 = 4W + 20
60 = 4W
15 = W
If the width is 15 and the length is 10 more than that, the length is 25.