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Mathematics, 14.11.2019 11:31 officialgraciela67
It takes kelby 10 hours per week to prepare food. nat can do the same job in 15 hours. how long would it take kelby and nat to prepare the food working together?
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It takes kelby 10 hours per week to prepare food. nat can do the same job in 15 hours. how long woul...
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