Question

Henry teaches gymnastics. He charges a one−time processing fee of $15.00 and the cost of each class is shown below. Let x represent the number of classes and y represent the cost of classes. Based on this information, what will it cost, in dollars, to take 5 classes?
Number of Classes(x): 1 2 3 4
Cost of Classes(y): $12.00 $31.00 $44.00 $58.00