Neegan paddles a kayak 21 miles upstream in 4.2 hours. The return trip downstream takes him 3 hours. What is the rate that Neegan paddles in still water? What is the rate of the current? Neegan paddles at 5 mi/h in still water. The rate of the current is 2 mi/h.
Neegan paddles at 6 mi/h in still water. The rate of the current is 1 mi/h.
Neegan paddles at 6.5 mi/h in still water. The rate of the current is 2.5 mi/h.
Neegan paddles at 5.5 mi/h in still water. The rate of the current is 1.5 mi/h.