Question

At a certain university, the ratio of the number of teaching assistants to the number of students in any course must always be greater than 3:80. at this university, what is the maximum number of students possible in a course that has 5 teaching assistants

Answer 1

3 ta's can handle 80 students or less.

5 ta's can handle x students or less.

Cross multiply,

x=5*80/3=400/3=133.333 students.

Therefore 5 ta's can handle up to 133 students.