jessicali jessicali

15-04-2019
Mathematics

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Two workers, if they were working together, could finish a certain job in 12 days. If one of the workers does the first half of the job and then the other one does the second half, the job will take them 25 days. How long would it take each worker to do the entire job by himself?

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sky8678 sky8678

15-04-2019

it would take 20 and 30 days.

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