300
Billy had $45.00. He spent $12.56 on a game, $5.72 on lunch and $19.67 on a present for his teacher. He wants to buy a book that costs $6.90. Does Billy have enough money to buy the book? If yes, how much money will he have left after he buys the book. If no, how much money is he short?
Yes.
He will have 15 cents left over.