Question
It takes Machine W and Machine B 50 minutes to print a total of 2400 copies of business cards. Machine W can print 19 copies of business cards in one minute. How many copies of business cards can Machine X print per minute?
2 m

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It takes Machine W and Machine B 50 minutes to print a total of 2400 copies of business cards. Machine W can print 19 copies of business cards in one minute. How many copies of business cards can Machine X print per minute?