Mathematics, 17.09.2019 16:00, naansah52631

Acopy machine makes 60 copies per minute. a second copy makes 80 copies per minutes. the second machine starts making copies 2 minutes after the first machine starts. both machine stop making copies 8 minutes after the first machine started . together, the 2 machine made how many copies?

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Acopy machine makes 60 copies per minute. a second copy makes 80 copies per minutes. the second mach...

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