SOLUTION: The width of a rectangle is 5 meters less than its length. The area is 84 meters^2. zFind the dimensions.

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Question 557327: The width of a rectangle is 5 meters less than its length. The area is 84 meters^2. zFind the dimensions.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
If you can recall that 84 = 12*7, then we are done (the dimensions are 12 m * 7 m). Or, we can let w be the width and w+5 be the length. Then w(w+5) = 84, solve for w.