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If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? *
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1 vote
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hours, how long will it take for both of them to paint the house together? *

User Voriki
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1 Answer

3 votes

it should take 2 hours



User Wenkesj
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