Question
It takes Machine P and Machine B 40 minutes to print a total of 1760 copies of newsletters. Machine P can print 18 copies of newsletters in one minute. How many copies of newsletters can Machine Q print per minute?
2 m

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It takes Machine P and Machine B 40 minutes to print a total of 1760 copies of newsletters. Machine P can print 18 copies of newsletters in one minute. How many copies of newsletters can Machine Q print per minute?