Karen works 6 hours a day on Monday and Wednesday, 8 hours a day on Thursday
and Friday, and 5 hours on Sunday. If she is paid $495 at the end of the week, what is
Karen's hourly wage?

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?