You bought two items for a total of $1,327.71. The first item is GST exempt and it represents 42% of the total purchase price. Assuming that you live in Alberta, what is the total amount of GST you paid?

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?