SOLUTION: The width of a rectangle is 3 ft less than the lenght. The area is 10 ft square. Find the length and width.

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Question 384872: The width of a rectangle is 3 ft less than the lenght. The area is 10 ft square. Find the length and width.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
In this case, guessing and checking reveals width = 2 ft, length = 5 ft. If guessing and checking doesn't yield an obvious solution, you can solve such a problem using the quadratic formula.