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The speed of the boat in still water is ...

The speed of the boat in still water is 5 times that of the current, it takes 1.1 hours to row to point B from point A downstream.The distance between point A and point B is 13.2km. How much distance (in km) will it cover in 312 minutes upstream? a. `43. 2` b. `48` c. `41. 6` d. `48. 8`

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