three friends went out to dinner. Each person payed $10 too total $30. The waiter came back and said your bill is $25 my mistake
. So he brought back $5 but he didn’t know how to split it amongst the three friends evenly. He gave back each of the friends $1 and pocketed $2 so their new total is $9 per meal and the total is now $27. So $27 plus the $2 be pockted is a total of $29 out of $30 where did the $1 go?