Mathematics
Mathematics, 18.11.2020 03:00, justin5647

The boat traveled 20 km downstream from the marina and then returned. The whole trip taked 7 hours. The raft traveled from the same place and it traveled 12 km away from the pier. What is the river flow rate?

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The boat traveled 20 km downstream from the marina and then returned. The whole trip taked 7 hours....

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