PDA

View Full Version : Question


GUS
02-20-2008, 10:26 AM
Will this one Mess With Your Head?



3 MEN GO INTO A MOTEL.THE MAN BEHIND THE DESK SAID THE ROOM IS
$30, SO EACH MAN PAID $10 AND WENT TO THE ROOM.

A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25, SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5.

ON THE WAY, THE BELLBOY COULDN'T FIGURE OUT HOW TO SPLIT $5 EVENLY
BETWEEN 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?

Knowle of 4U
02-21-2008, 12:28 AM
You have to subtract the $2 from the 27 to equal the 25. Your last algebraic step is incorrect. The $30 is no longer a valid amount to the equation. I was wrong. The valid amount is now $25. So algebraically it looks like this

3(10)=25+2+3(1)
30-3=25 + 2
(30 -3) -2 = 25