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Mathematics, 16.04.2020 07:24 Drevei6969

Adan can do a piece of work in 3 days, Bernie in 4 days, and Cynthia in 6 days each working alone.
How long will it take them to do it working together?
Please include how you did it.

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Adan can do a piece of work in 3 days, Bernie in 4 days, and Cynthia in 6 days each working alone.
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