SOLUTION: A rectangle parking lot has a length that is 8 yards greater that the width, the area of the parking lot is 240 square yards find the length and the width. Use formula area= length

Question 987351: A rectangle parking lot has a length that is 8 yards greater that the width, the area of the parking lot is 240 square yards find the length and the width. Use formula area= length x width
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
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Let w be the width of the parking lot in yards.

Then its length is w+8 yards, according to the condition.

The condition says that

w*(w+8) = 240.

Solve it:

+ = ,

+ - = .

Use the quadratic formula:

= = = = -20 OR 12.

The positive root only fits the condition (the measure should be positive).

So, the width is 12 yards.

The length is 12 + 8 = 20 yards.

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