3 people go to a restaurant order food tha comes up to £30..

3 people go to a restaurant order food tha comes up to £30 they each pay £10 and the waiter returns and tells them the have been over charged for there meal it was £26 so he gives them £1 each and puts £1 on the table for them to split up amongst themselfs so each person has now given £9 each instead of £10 3 times 9 = 27 + the one of the table = 28 where has the other £2 gone



PLEASE HELP ME =(