Question 319606: a baseball league they want to have each team play each other team twice.They schedule 306 games.How many teams are there? Answer by Greenfinch(383) (Show Source):
You can put this solution on YOUR website! 306 is 2 x 3 x 3 x 17 or 18 x 17
With 18 teams, there will be 9 games in each round and they will play against the 17 others.
So, there are 18 teams in the league