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Mathematics, 24.07.2019 04:10 mary9590
20 points shawn and ellie are construction workers. shawn can complete a concrete job in 4 hours, while ellie can complete it in 6 hours. the foreman says that it will take them 5 hours to complete it if they work together. explain each step in solving this equation, and determine if the foreman is correct or not.
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20 points shawn and ellie are construction workers. shawn can complete a concrete job in 4 hours, wh...
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