Answer
There was no missing dollar, total money paid by the customer is out of which has been paid to the restaurant and the rest being taken by the waiter.
Work Step by Step
The premise of adding each of the three-guest’s payment after adjustment of , totaling , to the waiter's pocketed to give you the total sum of money paid is false.
The correct way to add up the total is to look at where all the money actually is. There is in the cash register, in the bellhop's pocket, and each of the three guests has , which adds up to .
There was no missing dollar, total money paid by the customer is out of which has been paid to the restaurant and the rest being taken by the waiter.
