3 years ago

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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