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faust18 [17]
3 years ago
7

A round-robin tournament has 66 pairings. How many teams are in the tournament?

Mathematics
2 answers:
elixir [45]3 years ago
6 0
11 teams because \frac{x(x+1)}{2}=66 where we find x to be 11.
valkas [14]3 years ago
3 0
I got 11 teams.



I hope this helps.
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