CASLAN 56 from 67890 then divide it by 5 then you need to X the answer by 67 and then -78 then the next answer you need to take from 10963 and divide it by 6 NOW YOU NEED TO x that answe by 457 and take away 400 from it and X by 16

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Plz heeeeeeelp plz give me the answer

Need solving this second acceleration problem.