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Ken can paint a room in 5 hours, and Barbie can paint it in 4 hours. How long will it take if they work together?
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Ken can paint a room in 5 hours, and Barbie can paint it in 4 hours. How long will it take if they work together?
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Mar 20, 2018
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Ken can paint a room in 5 hours, and Barbie can paint it in 4 hours. How long will it take if they work together?
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Krrish Raj
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20 hours because 5•4=20
Pragati Sureka
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Mar 25, 2018
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Pragati Sureka
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