Mathematics
Mathematics, 30.03.2021 22:40, gracerich

David can type a 50-page paper in 8 hours. Last month, David and Andy together typed a 50-page paper in 6 hours. How long would Andy take to type a 50-page paper by himself?

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Answers: 2

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David can type a 50-page paper in 8 hours. Last month, David and Andy together typed a 50-page pape...

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