Math CS Liaison: Problem of the Week
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Posted by , February 19, 2008
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Join the Math and CS Liaison every Tusday @ 4pm in the Fens.
Problem of the Week:
Three men walk into a hotel looking for a room. The receptionist tells them that there is only one room, and that it cost $30. They pay $10 each, and head to their room for the night. Later, the receptionist realizes that he over charged them by $5, so he gives the five one dollar bills to the bellhop instructing him to return it to the 3 men. The bell hop, on his way to the room, realizes that there is no way to split the money 3 equal ways, so puts $2 in his pocket and doesn’t tell the men about it, rationalizing that he is doing them a favor.
Now, here’s the riddle. After getting their money back, each of the men has spent $9, totaling $27 spent for the room. The bellhop put $2 in his pocket to bring the total to $29. What happened to the last dollar?
THINK YOU KNOW THE ANSWER?
