Question

The area of a classroom space per student varies inversely with the number of students in the room. When there are 15 students in the room, each student has 20 sq ft of space.

How many square feet of space are available per student when there are 25 students in the classroom?

A. 60 sq ft
B. 33 sq ft
C. 12 sq ft
D. 20 sq ft

Answer 1

The answer is C. 12 sq ft

To find the total sq ft in the room you multiply 15 by 20 this gives you 300

Next you divide 300 by 25 to see how it is evenly divide to each student

300/25 is 12