Given:
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.
George used: 15 − 9 + 2.65 + 1.35 + 2(1.74)
To find:
Why he does not have enough money.
Solution:
Money her has = $15
All the expenses movie ticket ($9.00), a pretzel ($2.65), a drink ($1.35), and two veggie cups ($1.74 each) must be subtracted from the money he has instead of adding these values.
George add the cost of pretzel ($2.65), a drink ($1.35), and two veggie cups ($1.74 each), therefore, he does not have enough money.
Remaining Amount =




Remaining money cannot be negative. Here expenses are more than the money he has. Therefore, he does not have enough money.