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Mathematics, 03.02.2021 01:00 vpmtennis
Mary is painting the rooms of her new house before she moves in. It takes her about 4 hours to paint one room. Her friend Kevin is going is going to help and it takes him about 3.5 hours to paint one room. Her house has 8 rooms so how long will it take them to finish painting?
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Mary is painting the rooms of her new house before she moves in. It takes her about 4 hours to paint...
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