It takes 7 hours for Will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together?

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asked Dec 6, 2023 128k views

11 votes

It takes 7 hours for Will to paint a house. Judy can paint the same house in 3 hours. How long will it take them to paint the house if they work together?

Mathematics
college

Vadim Nikolaev asked

by Vadim Nikolaev

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1 Answer

11 votes

Answer:

2 hours

Explanation:

1/7 + 1/3 = 10/21

21/10= 2.1

Juandesant answered Dec 10, 2023

by Juandesant

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