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Darian vacuums the carpet of his church once a week; it takes him 4 hours. It takes his cousin Nikki 2 hours to vacuum the church carpet. How long will it take Darian and Nikki to vacuum the church carpet
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Darian vacuums the carpet of his church once a week; it takes him 4 hours. It takes his cousin Nikki 2 hours to vacuum the church carpet. How long will it take Darian and Nikki to vacuum the church carpet if they work together?

User Dylan Corriveau
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1 Answer

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Answer:

1/4 + 1/2 = 1/h

3/4 = 1/h

h = 1 1/3 hours = 1 hour, 20 minutes

User China
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