Q: There are 100 people in a theater. If 19 of these people have blue eyes, half of them have brown eyes, a quarter have black eyes, and the rest have green eyes, how many of them have green eyes?
A: 100 / 2 = 50 people in the theater have brown eyes. 100 / 4 = 25 people in the theater have black eyes. There are 50 + 25 + 19 = 94 people in the theater with either brown, black, or blue eyes. There are 100 - 94 = 6 people in the theater with green eyes. The answer is 6.

Q: Carol sells tickets for an exhibition. During three days she sold tickets worth $960. One ticket costs $4. How many tickets on average did she sell during one of these three days?
A: Carol sold 960 / 4 = 240 tickets during three days. So in one day, she sold on average 240 / 3 = 80 tickets. The answer is 80.

Q: The town’s annual budget totals $32 million. If half of the budget goes towards policing and $12 million goes towards education. How much money is left for managing public spaces?
A:
The annual budget for policing is 32 / 2 = $16 million. The combined budget for education and policing is 16 + 12 = $28 million. There is 32 - 28 = $4 million to manage public spaces. The answer is 4.