SOLUTION: a 20ft by 40ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total area of the walkway is 544ft^2, how wide is the walkway?
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Question 494635: a 20ft by 40ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total area of the walkway is 544ft^2, how wide is the walkway?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The area of the pool plus the area of the walkway is
ft2
The dimensions of the pool plus walkway are:
Use the quadratic equation
The walkway is 4 ft wide
check:
OK
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