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Mathematics, 15.10.2019 22:40 nelly4868
Amaster roof can cover a garage in 1 hour less than her new assitant. if they work together, they can complete the job in 7.75 hours. how long would it take the assistant to complete the job working alone?
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Amaster roof can cover a garage in 1 hour less than her new assitant. if they work together, they ca...
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