Question
It takes Machine N and Machine B 15 minutes to print a total of 1155 copies of catalogs. Machine N can print 37 copies of catalogs in one minute. How many copies of catalogs can Machine P print per minute?
2 m

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It takes Machine N and Machine B 15 minutes to print a total of 1155 copies of catalogs. Machine N can print 37 copies of catalogs in one minute. How many copies of catalogs can Machine P print per minute?