merceditavi55 merceditavi55

06-09-2021
Mathematics

contestada

3. John and Nelly are cleaning their house. Nelly takes 3 hours longer than John if she cleans the house alone. If they can do the cleaning together in 2 hours, how long can John clean all by himself?

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MioChxn MioChxn

06-09-2021

Answer:

1 hour?

Step-by-step explanation:

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