Answer: 1.95$.
19.50 x .9 = 17.55
19.50 - 17.55 = 1.95
Therefore the answer is indeed 1.95$.
The men didn't pay $29 because they only payed $27.........$25 was for the room and $2 was for the tip to the bellhop
Explanation- The room was originally $30, but they got a $5 meaning they only payed $25 and then they payed the bellhop $2 which equals to $27
I believe its B but I'm not completely sure