Asked by Katie

I just need help setting up the equation - the rest I can do on my own: A man built a walk of uniform width around a rectangular pool. If the area of the walk is 253 square feet and the dimensions of the pool are 9 feet by 3 feet, how wide is the walk?
Answered by jolly rancher
pool area = 9 * 3 = 27

total area = 27 + 253 = 280

so (2w + 9) * (2w + 3) = 280

4w^2 + 6w + 18w + 27 = 280

Answered by Katie
Thank you!
Answered by jolly rancher
glad to help
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