George has $15. He tries to buy a movie ticket ($9. 00), a pretzel ($2. 65), a drink ($1. 35), and two veggie cups ($1. 74 each) but he does not have enough money. Look at the numerical expression George used: 15 − 9 2. 65 1. 35 2(1. 74) Can you help him determine why he does not have enough money?.