A few students are having a bake sale to try to raise more than $600 for a class trip. They sell cupcakes (c) for $2 each and pies (p) for $5 each. If the students have already sold at least 30 cupcakes, which of the following systems of inequalities represents the situation?

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%