4. Gregory teaches martial arts. He charges a one-time processing fee of $5.00 and the

Question

cost of the classes 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 to take 10 classes?
Cost of classes (not including processing fee)
Number of Classes, x
1
2
3
4
Cost of Classes, y
$15.00
$27.00
$39.00
$51.00
A. $123.00
B. $125.00
C. $128.00
D. $130.00

Answer 1

(6 * 12) + 5 + 51 = _____ cost for 10 classes

Answer 2

128