The 57 players on four soccer teams traveled to a soccer tournament in Plainville. Each car carrying the members of the same team had the same number of players in it.

• The 15 players on the Barracudas rode three to a car.
• The Sharks and the Dolphins had three fewer players on each team than the Barracudas had.
• In an odd number of cars, the Sharks had one more player in each car than the Dolphins.
• The Stingrays had six players per car.