Answer:
pop and rnb
Step-by-step explanation:
Set up ratios for all of the types of music people called in for then divide to find that in percentages or multiply them all by certain factors until you eventually get to something/100
pop: 9:25 = .36
rock: 1:5 = .20
classical: 6:75 = .008
rnb: 18:50 = .36
