# math

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which of the following sets is a subset
of A?

A:5,25,15,10,20,30

A.5,15,60
B.10,20,50
C.5,10,20
D.15,30,60

well i got the answer C

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but i'm not so good at subsets can you explain, so i can maybe understand in a different way.

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ok

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