SOLUTION: A rectangular swimming pool is twice as long as it is wide. A small sidewalk surrounds the pool. The walkway is a constant 2ft wide and has an area of 196 square feet. Find the dim

Question 864642: A rectangular swimming pool is twice as long as it is wide. A small sidewalk surrounds the pool. The walkway is a constant 2ft wide and has an area of 196 square feet. Find the dimensions of the pool.

Found 2 solutions by josgarithmetic, josmiceli:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Pool length, x.
Pool width, y.
2 = width of walkway.
x=2y; so let us say:
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2y = pool length, and y = pool width
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Total Area combined walkway and pool is .
Pool Area is .
Walkway area is given, 196 square feet.
-
Those three parts give you :
. This will be a quadratic equation. Can you do the rest?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
I can call the width of the pool
The walkway adds ft to each side, so

The dimensions of the pool are 15 ft x 30 ft
-----------------
check:

OK
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