A train has 100 passenger seats. Tickets for the train cost $200 per passenger when every seat is sold. When there are unsold seats, each passenger must pay an additional $5 per unsold seat. If x represents the number of unsold seats on the train, which of the following expressions represents the total number of dollars collected from passengers on the train?
A) 300-5X^2
B) (200+X)(100-5X)
C) (200-X)(100+5X)
D) (200+5X)(100-X)
