Question 3
There are 4 teams in the football tournament. Each team play one match with the others. They get 3 points for a win and 1 point for a draw. In the end of the tournament, the point of three teams are 7, 5 and 2. What is the point of another team?
**Editorial note for this self-study exercise:** A loss earns 0 points, and every pair plays exactly once. Enter the fourth team’s number of points.
**Editorial note for this self-study exercise:** A loss earns 0 points, and every pair plays exactly once. Enter the fourth team’s number of points.