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Boris has 20 CDs in his music collection. Given that 20% of the CDs are rock music and 60 % of the CDs are pop music, how many CDs are other type of music? Show your work,

User Aviad Levy
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1 Answer

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4 CDs are other types of music, because
20% of rock music is 4
60% of pop music is 16
20 - 16 - 4 = 4.
User Rafael Neto
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