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Mathematics 70 Online
OpenStudy (anonymous):

If P = {positive integers} and subset T = {positive integers divisible by 3}, what is T'? A {1, 2, 4, 5, 7, 8, 10, 11, 13, 14, …} B {3, 6, 9, 12, …} C {1, 2, 3, 4, …} D { }

OpenStudy (anonymous):

I'd go with B because those are the choices divisible by 3

OpenStudy (anonymous):

Who said it was A?

OpenStudy (anonymous):

Someone I know

OpenStudy (anonymous):

Okay thanks. I'm gonna go with B.

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