Three men go to a hotel and rent a room. The sign outside the hotel said rooms for 30 dollars.They each give the clerk a 10 and the bellboy leads them to their room . Shortly after they leave the clerk notices that rooms are on sale for 25 dollars. When the bellboy returns he gives the bellboy 5 dollar bills to return to the men.On the way up the bellboy realizes he cannot devide 5 dollars by 3 men so he puts 2 dollars in his pocket. He reaches the room and gives each man 1 dollar back. Now each man has paid 9 dollars for the room 9 times 3 equals 27 the bellboy has 2 dollars in his pocket 28 and 29 where did the other dollar go?