SOLUTION: suppose C is a subset of D and D is a subset of C. if n(C)=5, find n(D)

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Question 255399: suppose C is a subset of D and D is a subset of C. if n(C)=5, find n(D)
Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
The two sets have the same elements.
n(D) = 5
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Cheers,
Stan H.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
If C is a subset of D and D is a subset of C, then C = D. In other words, C and D are the same set. So this means that if n(C)=5, then n(D)=5 also.
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