There are 30 people in a class. During the holiday, the teacher notifies each team member to participate in a game. If one person is notified every minute, how many minutes will it take to notify each team member?
某班有30人，在放假期间，老师通知每一个队员去参加一场比赛，如果每分钟通知一个人，至少需要多少分钟才能通知到每一个队员．
<result>5</result>