Mathematics
Mathematics, 30.08.2019 06:00, yedida

20 worker take 16 days to complete a project . find the time needed to complete this project if there are 15 workers to work on the project.


20 worker take 16 days to complete a project . find the time needed to complete this project if ther

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Mathematics, 21.06.2019 22:00, d0ram0UsE
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Mathematics, 22.06.2019 01:00, s27511583
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