In where it’s says “O’Brien icehouse (All students) write $480, since that’s the total cost of all tickets per student. In Large Big Mac Meal (All Students) write $236, since it’s the total of 20 large Big Mac meals. Next to the = sign In the next box write $946 since that’s the total cost of the tickets, meals, and travel bus hire. In remaining dollars write -126 (I hope I make sense!)