Neegan paddles a kayak 21 miles upstream in 4.2 hours. The return trip downstream takes him 3 hours. What isthe rate that Neegan paddles in still water? What is the rate of the current?

Neegan paddles a kayak 21 miles upstream in 42 hours The return trip downstream takes him 3 hours What isthe rate that Neegan paddles in still water What is the class=