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Sam spends 3 hours painting one room, and jack can paint a room in 4 hours. if they work together, how long will it take to paint 1 room
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Sam spends 3 hours painting one room, and jack can paint a room in 4 hours. if they work together, how long will it take to paint 1 room

User Ffriend
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i think it would be 3.5 hours . combine the two and then divide by 2.
User Muhammad Ummar
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