chemisterfrom2008 chemisterfrom2008

18-08-2020
Mathematics

contestada

Jessica and Mary were able to cut the shrubs in 6 hours together. It takes Mary 10 hours to complete the same job alone. Without help, how long would it take Jessica to complete the same job ?

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mosesbernard25 mosesbernard25

18-08-2020

Answer:

12 hours or more

unequal strength

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