SOLUTION: Would you help me on this question? From the 20 CDs that you've bought the past year, you plan to take 3 with you on vacation. How many different sets of three CDs can you take?

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Question 1057792: Would you help me on this question?
From the 20 CDs that you've bought the past year, you plan to take 3 with you on vacation. How many different sets of three CDs can you take?
Answer by solve_for_x(190) About Me  (Show Source):
You can put this solution on YOUR website!
Since the order of the three selected CDs does not matter, this problem is asking for
the number of combinations.

C%2820%2C+3%29+=+20%21+%2F+%283%21%2820+-+3%29%21%29+=+20%21+%2F+%283%2117%21%29+=+1140

There are 1140 ways to select a set of 3 CDs from the group of 20 CDs.