SOLUTION: you have a class of 20 students, a teacher wants to send 4 to get books for her, how many combinations of 4 students can she send?

SOLUTION: you have a class of 20 students, a teacher wants to send 4 to get books for her, how many combinations of 4 students can she send?

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Question 874753: you have a class of 20 students, a teacher wants to send 4 to get books for her, how many combinations of 4 students can she send?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
20C4 = 4845 combinations =
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