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anna can celarn her house 3 hours while dalia 4 hours. How long will it take when they clean together
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anna can celarn her house 3 hours while dalia 4 hours. How long will it take when they clean together

User Banjara
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1 Answer

6 votes

4+3 = 7

7/2 = 3 hours and 30 minutes

User Igor Yavych
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3.5k points
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