Freshman and sophomores were surveyed during lunch about their favorite professional football team.

A bar graph with the first bar labeled Jaguars, divided into freshmen from 0 to 40 percent and sophomores from 40 to 100 percent. The second bar is labeled Dolphins, with freshman from 0 to 45 percent and sophomores from 45 to 100 percent, and the third bar is labeled Buccaneers, with freshmen from 0 to 45 percent and sophomores from 45 to 100 percent.

If 180 students selected Dolphins, how many of those students are freshman?

72 students
81 students
99 students
108 students

PLEASE I AM DOING THE TEST RIGHT NOW