SOLUTION: There are 5 students sitting around a table. How many different pairs of students could be formed from those students? I think it is 10

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Question 611073: There are 5 students sitting around a table. How many different pairs of students could be formed from those students? I think it is 10
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
you are correct

each of the 5 students can pair up with the other 4 ___ 5 * 4 = 20

BUT ... Pam paired with Tom is the same as Tom paired with Pam, so ___ 20 / 2 = 10