asked 154k views
2 votes
Boris has 20 Cd's in his music collection. Given that 20% of the CD's are rock music and 60% of them are pop music. How many CD's are other types of music.

2 Answers

5 votes
It is all the answer u may need look at the picture.
Boris has 20 Cd's in his music collection. Given that 20% of the CD's are rock music-example-1
answered
User Chazsolo
by
8.3k points
5 votes
The total amount of CD's are 100% so 100 - (20+60) = 20% -> the percentage of the other types of music. Then multiply 20% by 20 to get 4. So there are 4 CD's that are other types of music
answered
User Russbear
by
8.6k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.