Question
It takes Machine N and Machine B 15 minutes to print a total of 900 copies of business cards. Machine N can print 27 copies of business cards in one minute. How many copies of business cards 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 900 copies of business cards. Machine N can print 27 copies of business cards in one minute. How many copies of business cards can Machine P print per minute?