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October 21, 2014

October 21, 2014

Posted by **Amy** on Sunday, January 24, 2010 at 7:26pm.

- math -
**Reiny**, Sunday, January 24, 2010 at 8:46pmA very old problem

"But if you calculate it, the 3 men each payed $9, and 9 times 3 is 27, then add the $2 from the bellboy you got $29"

What are you "calculating"

$9x3 = $27 deals with the cost of the room

you are then adding $2 which has nothing to do with the room cost.

You are adding "apples and oranges"

2 apples + 3 oranges = 5 ???(5 what?)

the real calculation should have been

amount paid - cost of room = left over money

$27 - $25 = $2

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