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27 April, 04:49

Boris has 20 CDs in his music collection. If 20% of the CDs are rock music and 60% of the CDs are pop music, how many CDs are other types of music?

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  1. 27 April, 05:32
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    20 CDs total

    20% are rock

    60% are pop

    20 + 60 = 80

    100-80=20

    Other = 20%

    20% of 20 = 4

    So, Other = 20% = 4 CD’s
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