Question
It takes Machine X and Machine B 30 minutes to print a total of 1980 copies of business cards. Machine X can print 31 copies of business cards in one minute. How many copies of business cards can Machine Y print per minute?
2 m

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It takes Machine X and Machine B 30 minutes to print a total of 1980 copies of business cards. Machine X can print 31 copies of business cards in one minute. How many copies of business cards can Machine Y print per minute?