Question 1173188
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Hi,
     *[illustration rectangle.png].
The length of a swimming pool is twice the width(x). 
The area of the pool is 6498 ft2.
A = Lw
w is x
L is 2x
6498 = 2x(x)
2x^2 = 6498
x^2 = 3299
x = 57ft , the width of the swimming pool
L = 2x =  114ft
Checking our Answer
57ft*114ft =6498ft^2
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