SOLUTION: 1. The length of the sides of a square swimming pool are all s units long. The pool is bordered by square paving stones that are 1-unit long. The paving stones form a square border

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: 1. The length of the sides of a square swimming pool are all s units long. The pool is bordered by square paving stones that are 1-unit long. The paving stones form a square border      Log On

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Question 998525: 1. The length of the sides of a square swimming pool are all s units long. The pool is bordered by square paving stones that are 1-unit long. The paving stones form a square border all of the way around the pool (including stones in the corners). Write an expression to represent the perimeter of the pool with the paving stones.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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The length of the sides of a square swimming pool are all s units long.
The pool is bordered by square paving stones that are 1-unit long.
The paving stones form a square border all of the way around the pool (including stones in the corners).
Write an expression to represent the perimeter of the pool with the paving stones.
:
A border 1 unit wide would increase the length of 1 side by 2 units. Therefore:
p = 4(x+2)