SOLUTION: a 20-ft by 40-ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total are of walkway is 544 ft^2, how wide is the walkway
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Question 836685: a 20-ft by 40-ft rectangular swimming pool is surrounded by a walkway of uniform width. if the total are of walkway is 544 ft^2, how wide is the walkway
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Two-D pool area not including walls, .
The pool area AND the walkway combined area, and we do not yet know the value. The unknown variable w is the walkway width.
We can say THIS:
; this must be understood before continuing.
READY?
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136=34*4, factoring is a good method for the quadratic.
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The only sensible solution is feet.
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