Number of Total Subscribers = 595
In Figure 1, Red boxes represent "regular subscribers" which is 8 in number whereas Blue boxes represent "premium subscribers".
1 box contains = 595/17 = 35 subscribers.
Regular subscribers = 35 * 8 = 280
In short, Your Final Answer would be: 280
B.) Total Number of Songs = 91
Red boxes represent number of songs, he liked i.e., 5
Blue represents, he dislikes, i.e., 2
Number of songs in each box = 91/7 = 13
Now, The number of songs, he liked: 13 * 5 = 65
In short, Your Answer would be: 65 songs
C.) Total people = 180
Red represents the box of males, which is 4
Blue for females.
Number of people for each box = 180/9 = 20
So, Number of males = 20 * 4 = 80
In short, Your Answer would be: 80 males
Hope this helps!