Mathematics, 28.12.2019 06:31 jaylennkatrina929

Aboat on a river travels downstream between two points, 20 mi apart, in one hour. the return trip against the current takes 2 1/ 2 hours (2hours and a half). what is the boat's speed (in still water)? b) how fast does the current in the river flow?

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Aboat on a river travels downstream between two points, 20 mi apart, in one hour. the return trip ag...