Tiny Totts is a nursery school for kindergarten children. When there are twenty children enrolled, total revenues and total costs are $6,000 and $3,200, respectively. When there are twenty-one children enrolled, total revenues and total costs are $6,300 and $3,255, respectively. The average cost when there are twenty children enrolled in the school is:
A)$55.
B)$160.
C)$162.75.
D)$300
E)$315.

Question

Quizplus · Accepted Answer

The average cost when there are twenty children enrolled is calculated by dividing the total costs by the number of children: $3,200 / 20 = $160.

Tiny Totts Is a Nursery School for Kindergarten Children