Antwan pays $12 per hour to rent a canoe for the afternoon. Which expression represents the total cost of renting the canoe for the afternoon?

12 ÷ h

h ÷ 12

12h

12 + h

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?