Question
It takes Machine M and Machine B 15 minutes to print a total of 1020 copies of catalogs. Machine M can print 32 copies of catalogs in one minute. How many copies of catalogs can Machine N print per minute?
2 m

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It takes Machine M and Machine B 15 minutes to print a total of 1020 copies of catalogs. Machine M can print 32 copies of catalogs in one minute. How many copies of catalogs can Machine N print per minute?