Posted by Jane on Sunday, January 29, 2012 at 11:22am.
How do I set this up and solve?
You are planing a rectangular dining pavilion. Its length is 3 times its width x. You want a stone walkway that is 3 ft wide around the pavilion. You have enough stones to cover 396 ft squared and want to use them all in the walkway. What should the dimension of the pavilion be? How can you write a variable expression for the area of the walkway?

Math  bobpursley, Sunday, January 29, 2012 at 11:33am
l=3w
area walkway: outside area inside area
area walkaway=(l+6)x (w+6)lw
=(3w+6)(w+6)3w^2
solve for w. Then, solve for l

Math  dc, Monday, April 16, 2012 at 12:12pm
5w=42

Math  dora, Wednesday, September 2, 2015 at 1:11am
How can you write a variable expression for the area of the walkway
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