SOLUTION: There is a square box. Want to add a 1 ft seat around the edge. Measure of one side is s. Need expression to represent the perimeter of the seat. Explanation please.

Question 1086269: There is a square box. Want to add a 1 ft seat around the edge. Measure of one side is s. Need expression to represent the perimeter of the seat. Explanation please.
Found 2 solutions by addingup, ikleyn:
Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
Perimeter = 4(s+1) = 4s+4
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
If the seat goes around the box (around its 4 edges) and is 1 ft wide, then the outer perimeter is 4*(s+2) feet.

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