A A man rows a boat at a speed of 15 mph in still water. Find the speed of the river if it takes her 4 hours 30 minutes to row a boat to a place 30 miles away and return August 18, 2021 1 Min Read 0 1484 August 18, 2021 1 Min Read 0 1484 Answer : A. 5 mph Boats and Streams Editor Continue Reading