SOLUTION: Tomas volunteers 10 days in September to help the hungry. How many ways can he choose to volunteer?

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Question 1035054: Tomas volunteers 10 days in September to help the hungry. How many ways can he choose to volunteer?
Answer by Amrata1(11) About Me  (Show Source):
You can put this solution on YOUR website!
Out of 30 days in September, he can chose any 10 days to volunteer.
So out of 30, he needs to chose 10.
So answer is 30 C 10.