Question
It takes Machine J and Machine B 40 minutes to print a total of 2720 copies of brochures. Machine J can print 32 copies of brochures in one minute. How many copies of brochures can Machine K print per minute?
2 m

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It takes Machine J and Machine B 40 minutes to print a total of 2720 copies of brochures. Machine J can print 32 copies of brochures in one minute. How many copies of brochures can Machine K print per minute?