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

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
8.0k 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
by
8.2k points
6 votes
105 different groups without doubling
User YesIamFaded
by
8.6k points
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