Alicia can row 6 miles downstream in the same time it takes her to row 4 miles upstream. she rows downstream 5 miles/hour faster than she rows upstream. find alicia's rowing rate each way. round your answers to the nearest tenth, if necessary.

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance