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Mathematics, 23.02.2021 02:00 nataliamontirl6079

4. One printing machine printed 1920 books in 40 hours this week. A second printing machine printed for 30 hours this week but printed books
at twice the hourly rate of the first machine. How many books did the
second machine print this week?

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Answers: 3

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4. One printing machine printed 1920 books in 40 hours this week. A second printing machine printed...
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