Mathematics, 20.09.2019 00:00 ericpatterson14
Acopy machine makes 60 copies per minute. a second copy machine makes 80 copies per minute. the second machine starts making copies 2 minutes after the first machine starts. both machines stop making copies 8 minutes after the first machine started. together, the 2 machines made how many copies?
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Acopy machine makes 60 copies per minute. a second copy machine makes 80 copies per minute. the seco...
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