Mathematics, 23.03.2021 01:00 patience233

a D. J. at a school dance plans to play dance music for 2 hours. she has 20 requests for songs. Each song plays for 3 1/2 minutes. if she plays all of the requests. How much time will she have to play other songs?

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a D. J. at a school dance plans to play dance music for 2 hours. she has 20 requests for songs. Each...

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