missing dollar?

Question

3 guys rent aroom for 30$--10 $ apeice--later the clerk decides he has charged too much - so he takes them back 5$--they each take back 1$-making the room cost 9$ apeice with 2$ left over--3 x 9 = 27 + the 2 left over =29- so what happened to the extra dollar?

Answer 1

Basic accounting. You can't add/subtract like that. It cost the 3 of them $25 total...then you add the $3 returned + the $2 leftover. This = $30. Not 9x$3 = $27 + $2. Rather $25 + $3 + $2 = $30.

Answer 2

what missing dollar?
$30 reduced to $25 with the refund the room is aproximatly $8:33 each,
How they divide up the $5 is up to them