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Mathematics, 09.10.2019 04:30 stefkellum58

Working alone, ryan can dig a 10 ft by 10 ft hole in five hours. castel can dig the same hole in six hours. how long will it take them if they worked together?

explain too , .

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Working alone, ryan can dig a 10 ft by 10 ft hole in five hours. castel can dig the same hole in six...
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