A community college has 3,000 students and 90 instructors. The college plans that enrollment will be 3,500 next year. How many new instructors should be hired if the college wants to keep the same student to instructor ratio?
A) 13 instructors
B) 77 instructors
C) 105 instructors
D) 15 instructors

Question

Quizplus · Accepted Answer

The current student to instructor ratio is 3000 students / 90 instructors = 33.33 students per instructor. To maintain this ratio with 3500 students, the college needs 3500 / 33.33 ≈ 105 instructors. Therefore, they need to hire 105 - 90 = 15 new instructors.

A Community College Has 3,000 Students and 90 Instructors