SOLUTION: the length of rectangle is four times its width. the area of the rectangle is 676 square feet, find the dimensions of the rectangle.

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Question 726753:
the length of rectangle is four times its width. the area of the rectangle is 676 square feet, find the dimensions of the rectangle.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
L=4W
AREA=LW
676=4W*W
676=4W^2
W^2=676/4
W^2=169
W=SQRT169
W=13 ANS FOR THE WIDTH.
L=4*13=52 ANS FOR THE LENGTH.
PROOF:
676=13*52
676=676