SOLUTION: A rectangular parking lot has a length that is 12 yards greater than the width. The area of the parking lot is 540 square yards. Find the length and the width. Use the formula, are

Question 967446: A rectangular parking lot has a length that is 12 yards greater than the width. The area of the parking lot is 540 square yards. Find the length and the width. Use the formula, area=Length*width.
Answer by amarjeeth123(569) (Show Source): You can put this solution on YOUR website!
Let the width be x.
Then the length is (x+12).
Area=length*width
x(x+12)=540
x^2+12x-540=0
x^2+30x-18x-540=0
x(x+30)-18(x+30)=0
(x-18)(x+30)=0
x=18 is the only positive solution.
The width is 18 yards.
The length is 30 yards.
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