Asked by Jessika.
5 people went to a meeting. To start off each person was asked to go around and introduce themselves to everyone there. How many introductions were made? Start with 2 then 3 people etc. looking for a pattern
Answers
Answered by
Reiny
this is a combination question.
You are choosing pairs from 5 people, which is C(5,2) or 10
You are choosing pairs from 5 people, which is C(5,2) or 10
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