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Mathematics, 01.02.2020 00:02 okaiikk

Solve using rational equations:
james, kelly, hector, and kyla are painting a house. james could paint the house in 9 hours, kelly could paint it in 7 hours, hector could paint it in 6 hours, and kyla could paint it in 10 hours. how long will it take them to paint it together?

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Solve using rational equations:
james, kelly, hector, and kyla are painting a house. james co...
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