Question

Justin's football team has a phone tree in case a game is cancelled. The coach calls two players. Then each of those players calls 2 players, and so on. How many players will be notified during the 2nd round of calls?

Answer 1

Four players in the second round of calls from the original two player who where notified. In total, six players.

C - P1&P2
P1 - P3&P4
P2-P5&P6