The cost of textbooks for a school increases with the average class size. Identify the independent and dependent quantity in the situation.

Question

cost; average class size

average class size; cost

number of classes; average class size

cost; number of classes

Answer 1

In the given situation, the independent quantity is the average class size, and the dependent quantity is the cost of textbooks. This is because the cost of textbooks changes based on the size of the class.

So the correct identification would be:

average class size; cost