At a school,40% of the sixth-grade students said hip-hop is their favorite kind of music. If 100 sixth-grade students prefer hip-hop music, how many sixth-grade students are at the school?
If 100 students make up 40% of the 6th grade population, then 50 students make up 20% of the 6th grade population. 20% × 5 makes 100% so if your multiply 50 by 5 .
