SOLUTION: The length of a rectangle is 4 times the width. The area is 900 square centimeters. Find the length and width of the rectangle

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Question 1137294: The length of a rectangle is 4 times the width. The area is 900 square centimeters. Find the length and width of the rectangle
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
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Cut the rectangle in 4 square.


Each square area will be  900%2F4 = 225 square centimeter.


Hence, each square side is  sqrt%28225%29 = 15 centimeters.


ANSWER.  The wide of the rectangle is 15 cm.  The length of the rectangle is  4*15 = 60 cm.


CHECK.   15*60 = 900 cm^2.    ! Correct !