Asked by Sandra

I need to know how to work this problem:
A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip surface around it. What is the outer perimeter of the no-slip surface?
78 ft
78 ft2
198 ft
198 ft2
Answered by Ms. Sue
Add 6 feet to each of the dimensions.

18 by 21 = 78 feet

Answered by PLS HELP
DOES ANYONE HAVE THE FULL TEST
Answered by Shark
I'll get my answers up here when I finish.
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