S Solar New member Jun 16, 2009 #1 A man who lives hundred floor went to floor 1 to go to work. When he got back he went to the elevator and went to floor 90 and walk 10 flights of stairs up to his room. why?
A man who lives hundred floor went to floor 1 to go to work. When he got back he went to the elevator and went to floor 90 and walk 10 flights of stairs up to his room. why?
