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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?
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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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