Question
It takes Machine T and Machine B 40 minutes to print a total of 2320 copies of posters. Machine T can print 25 copies of posters in one minute. How many copies of posters can Machine U print per minute?
2 m

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It takes Machine T and Machine B 40 minutes to print a total of 2320 copies of posters. Machine T can print 25 copies of posters in one minute. How many copies of posters can Machine U print per minute?