2,351 ∅ 2,351
15 + (75 + 82) = (15 + 75) + 82
27.8 + 0 = 27.8
8.3 + 5.5 + 0.7 = 14.5
14.25 + (5.75 + 8.36) = 28.36
12.4 − 7.1
45.2 − 3.5
Each ticket costs $7. How many tickets can you purchase with $100?