Question
It takes Machine A and Machine B 50 minutes to print a total of 2300 copies of brochures. Machine A can print 21 copies of brochures in one minute. How many copies of brochures can Machine B print per minute?
2 m

Click button first when a symbol is required. X

It takes Machine A and Machine B 50 minutes to print a total of 2300 copies of brochures. Machine A can print 21 copies of brochures in one minute. How many copies of brochures can Machine B print per minute?