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Mathematics 14 Online
OpenStudy (anonymous):

The set W represents multiples of 3 to 33. W = {3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33} The set C represents multiples of 6 to 30. C = {6, 12, 18, 24, 30} How many elements are in the set W union C?

OpenStudy (anonymous):

Is there 11 elements?!

OpenStudy (kropot72):

Yes, you are correct. C is a subset of W.

OpenStudy (anonymous):

thank you!

OpenStudy (kropot72):

You're welcome :)

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