Mathematics, 02.03.2021 19:20 jaymoore9542
One printing machine printed 1680 books in 70 hours this week. A second printing machine printed for 50 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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One printing machine printed 1680 books in 70 hours this week. A second printing machine printed for...
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