SOLUTION: the length of a certain rectangle exceeds its width by exactly 12 centimeters. the perimeter of the rectangle is 58 cm. what are its dimensions?

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Question 1037890: the length of a certain rectangle exceeds its width by exactly 12 centimeters. the perimeter of the rectangle is 58 cm. what are its dimensions?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
2w+2l=P
l=w+12
2w+2(w+12)=58
4w+24=58
4w=34
w=8.5
l=20.5!!!!!!!!!!!!