Section: Mathematics

35) George buys 6 t-shirts for $5 each and 4 pairs of jeans for $8.50 each. He uses the following expression to calculate the total amount of money spent: 6 (5) + 4 (8.5). Which of the following expressions could George also have used?

1. 2 (5 + 8.5) + 4 (8.5)
2. 4 (5 + 8.5) + 2 (5)
3. (4 + 2) + (5 + 8.5)
4. 8.5 (2 + 4) + 5 (2 +4)
5. 6(4) + 5(8.5)

George bought four items at both $5 and $8.5, but he also bought two more items at $5.