When Henry surveyed 45 seventh-grade students at random in the school cafeteria, he found that 3 out of 15 liked reggae music. Using proportional reasoning, about how many of the 180 seventh-grade students in his school like reggae?
 About 12 seventh-grade students like reggae music.
 About 36 seventh-grade students like reggae music.
 About 60 seventh-grade students like reggae music.
 About 108 seventh-grade students like reggae music.