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?
Answers: 2
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Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost
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Joseph and chandra are cleaning their house which has 12 rooms, each about the same size. if joseph...
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