SOLUTION: A pool is 20 x 12. You have a 144 feet of fencing. How many feet away from the pool must the fence be to have all 4 sides equal distance from the pool?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A pool is 20 x 12. You have a 144 feet of fencing. How many feet away from the pool must the fence be to have all 4 sides equal distance from the pool?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1000813: A pool is 20 x 12. You have a 144 feet of fencing. How many feet away from the pool must the fence be to have all 4 sides equal distance from the pool?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
x, the distance from fence to pool all the four sides.

Dimensions for the fence will be (20+2x) and (12+2x).

The fence perimeter 2%2820%2B2x%29%2B2%2812%2B2x%29=144

20%2B2x%2B12%2B2x=72
10%2Bx%2B6%2Bx=36
2x%2B16=36
x%2B8=18
highlight%28x=10%29