Each morning Mr. Smith awakes at exactly 6:16 am. He showers, dresses, eats his breaksfast all finished by 7:30 am. He picks ups his briefcase walks out his front door, locks it and goes to the elevator. The elevator door open he enters and presses the Lobby button. Mr.Smith lives on the 30th floor of his building. He walks to his place of buisness and arrives at exactly 8:00am. At 5:00pm, Mr. Smith arrives at his apartment lobby from work, enters the elevator and presses the 15th floor button instead of the 30th,. When the door opens he continues to walk up the other fifteen flight of steps. WHY?????? Mail me for the Answer! I won't keep you waiting!