Audra counted change collected for a class fundraiser. audra wrote the equation to represent the situation. what did she define as the variable x? value of a dime value of a quarter number of dimes collected number of quarters collected

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?