SOLUTION: The length of a rectangular parking lot is 4 times greater than the width. The area of the parking lot is 140 square yards. Find the length and width.

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Question 534581: The length of a rectangular parking lot is 4 times greater than the width. The area of the parking lot is 140 square yards. Find the length and width.
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Let x represent the width and 4x will be the length.
Length times width gives us the area of a rectangle.
x(4x)=140
Rewritten as:
4x^2=140
Divide by 4:
x^2=35
Square root both sides:
x=Sq rt 35 or approx 5.916 yards for the width
Length is 23.664 yards (approx)
Make sense?
RJ