SOLUTION: A rectangular swimming pool is 12 meters wide and 14 meters long. Surrounding the pool is a concrete walkway of uniform width. The combined area of the pool and walkway is 360 sq

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Question 48750: A rectangular swimming pool is 12 meters wide and 14 meters long. Surrounding the pool is a concrete walkway of uniform width. The combined area of the pool and walkway is 360 square meters. Find the width of the walkway.
Thank you so much. I have been trying to solve this problem all summer, but just can't.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(12+2X)(14+2X)=360 OR 168+28X+24X+4X~2=360 OR 4X~2+52X-192=0 OR
X~2+13X-48=0 OR (X+16)(X-3)=0 OR X=-16 & X=3 THUS THE WALKWAY IS 3 METERS WIDE