Question
It takes Machine H and Machine B 50 minutes to print a total of 3100 copies of brochures. Machine H can print 28 copies of brochures in one minute. How many copies of brochures can Machine J print per minute?
2 m

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It takes Machine H and Machine B 50 minutes to print a total of 3100 copies of brochures. Machine H can print 28 copies of brochures in one minute. How many copies of brochures can Machine J print per minute?