Final answer:
To calculate the unit rate of students per class, divide 2,352 students by 90 classes, which equals approximately 26.13333. When rounded, it results in 26 students per class.
Step-by-step explanation:
To find the unit rate of students per class, divide the total number of students by the total number of classes. There are 2,352 students in 90 classes.
Unit rate = Total students ÷ Total classes = 2,352 ÷ 90
Unit rate ≈ 26.13333...
When rounded to the nearest integer, the unit rate is 26 students per class.