A group of junior high students will be touring Washington, D.C. Their chaperons will have the $1,810 cost of the tour reduced by $15.50 for each student they personally supervise. How many students will a chaperon have to supervise so that his or her cost to take the tour will be $1,500?
A)17 students
B)16 students
C)22 students
D)19 students
E)20 students

Question

Quizplus · Accepted Answer

The cost reduction for the chaperon is $1,810 - $1,500 = $310. Dividing this amount by the per student reduction gives $310 / $15.50 = 20 students.

A Group of Junior High Students Will Be Touring Washington