SAT Math Multiple Choice Practice Question 291: Answer and Explanation
5. In a certain soccer league, each of the five teams plays every other team in the league exactly three times each season. How many games are played in total in one season?
Correct Answer: C
C Each of the five teams must play four other teams three times apiece. In other words, each team must play in games. Since there are five teams, it might seem at first that there are a total of games, but since each game needs two teams, the total number of games is .