GAUSS8 1998 Problem 11

The weight limit for an elevator is 1500 kilograms. The average weight of the people in the elevator is 80 kilograms. If the combined weight of the people is 100 kilograms over the limit, how many people are in the elevator?

Answer Choices
A. 14
B. 17
C. 16
D. 20
E. 13