a) Current of water is 8 KPH. Boat travels 2/3 of the time downstream from point C to D. Boat travels downstream from point D to C. Find rate of boat in still water in KPH.
b) The boatman rows to the place 48 miles distant and back in 14 hours, but discover that he can row four miles with stream in same time as three miles against stream. Determine the rate of stream.