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Randy has to pick two people to work with out of 15. How many different groups can he pick?
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3 votes
Randy has to pick two people to work with out of 15. How many different groups can he pick?

User Shiblon
by
5.6k points

2 Answers

2 votes
He can only pick 7 different groups because 2 times 7 is 14, and there are 15 people in all.

Hope this helps. c:
User Raph Levien
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6.7k points
6 votes
105 different groups without doubling
User YesIamFaded
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6.0k points
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