The seating capacity of the Marlins Ballpark, home of the Miami Marlins is listed at 37,442. For each game, the amount of money that the Marlins’ organization brings in as revenue is a function of the number of people, in attendance. Assume each ticket costs $40. Find the problem domain of this function.

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?