You and your three friends stay over night at a hotel it costs thirty to stay over each of you pay 10 bucks shortly after you get back the bellhop arrives and gives you 5 bucks becasue it was only 25 dollars you give the bellhop a tip of 2 bucks and your friends both a dollar WHERE DID THE LAST DOLLAR GO !!!
Answer
I don’t know
But if each of you and your three friends paid $10, that’s $40 for a room that initially cost $30. Obviously this group is not good with money.