SOLUTION: The length of a rectangle exceeds the width by 7. If the area is 60cm^2 find the length of the rectangle

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Question 1053710: The length of a rectangle exceeds the width by 7. If the area is 60cm^2 find the length of the rectangle
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let w be the width of the rectangle. Then the length is w+7. So:
w(w+7)=60
w²+7w-60=0
(w+12)(w-5)=0
w=-12 or 5
Throwing out tne negative result, we get the width to be 5 cm, and the length to be 12 cm. ☺☺☺☺