Question
It takes Machine U and Machine B 10 minutes to print a total of 500 copies of flyers. Machine U can print 20 copies of flyers in one minute. How many copies of flyers can Machine V print per minute?
2 m

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It takes Machine U and Machine B 10 minutes to print a total of 500 copies of flyers. Machine U can print 20 copies of flyers in one minute. How many copies of flyers can Machine V print per minute?