Mathematics, 16.12.2020 03:20 scholar13

HELP Together, two clerks can count a certain number of coins in 7.5 minutes. If one clerk, working alone, takes 8 minutes longer than the other needs to do the same job working alone, how long does each clerk need to count the coins when alone?

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HELP Together, two clerks can count a certain number of coins in 7.5 minutes. If one clerk, working...

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