A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip around it. what is the outer perimeter of the no-slip? A) 78ft B) 78ft*2 C) 198ft D) 198ft*2

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asked Oct 14, 2017 171k views

1 vote

A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip around it. what is the outer perimeter of the no-slip?

A) 78ft
B) 78ft*2
C) 198ft
D) 198ft*2

Mathematics
high-school

Warriorpostman asked

by Warriorpostman

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1 Answer

5 votes

see illustration

15+3+3=21
12+3+3=18

21+21+18+18=78

answer is 78ft since perimiter is not area

A is answer

A 12-ft-by-15-ft rectangular swimming pool has a 3-ft-wide no-slip around it. what-example-1

NebulaSleuth answered Oct 21, 2017

by NebulaSleuth

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