Mathematics, 22.01.2020 03:31 campbell387

Joseph and chandra are cleaning their house which has 12 rooms, each about the same size. if joseph cleans them by himself, it takes him 6 hours. if chandra cleans them by herself, it takes her 12 hours. if they both clean the house, they will finish in 4 hours. if they work together, how many rooms will chandra clean and how many will joseph clean?

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