Answer: There are 19 classes
Step-by-step explanation:
divide the total amount amount of students by the amount of students in each class
Take the common denominator and divide by 3
The solution to the system of linear equations is where the two lines intersect.
Look for the point where the two lines intersect. The x-value is 2 1/2, and the y-value is -4.
The answer is C.