Yuri purchased 8 trees to have planted at his house. the store charged a delivery fee of $5 per tree. the total cost of the trees including the delivery was $168. how much did each tree cost, c? solve for c.

Out of the 180 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? 72% 40% 54% 98%