Question
It takes Machine U and Machine B 40 minutes to print a total of 2240 copies of newsletters. Machine U can print 25 copies of newsletters in one minute. How many copies of newsletters can Machine V print per minute?
2 m

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It takes Machine U and Machine B 40 minutes to print a total of 2240 copies of newsletters. Machine U can print 25 copies of newsletters in one minute. How many copies of newsletters can Machine V print per minute?