Physics, 22.12.2019 22:31, morgantisch25

Jane took 20 min to drive her boat upstream to water-ski at her favorite spot. coming back later in the day, at the same boat speed, took her 10 min. if the current in that part of the river is 6 km per hr, what was her boat speed in still water?

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Jane took 20 min to drive her boat upstream to water-ski at her favorite spot. coming back later in...