BODMAS - BracketsOrdersDivisionMultiplicationAdditionSubtraction

Go back to Basic... 3 men go into a motel. The man behind the desk said the room is $30, each man paid $10 and went to the room. A while later, the man behind the desk realised the room was only $25, so he sent the bellboy to the 3 guys's room with $5. On the way the bellboy couldn't figure out how to split $5 evenly btw 3 men, so he gave each man a $1 and kept the other $2 for himself. This meant that the 3 men each paid $9 for the room, which is a total of $27, add the $2 that the bellboy kept = $29, WHERE is the other dollar?