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?
George did not put parentheses around the total snack amount to be subtracted from his $15. He needed to total the purchases and then subtract that amount from $15.
