ryzya19981 ryzya19981

01-11-2017
Mathematics

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A disc jockey must allow time for 24 minutes of commercials every hour, along with 4 minutes for news, 3 minutes for weather, and 2 minutes for public-service announcements. If each record lasts and average of 3 minutes, how many records per hour can the DJ play?

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Haralsonzzz Haralsonzzz

06-11-2017

about 11 records per hour

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