Pratap Puri rowed 18 miles down a river in 2 hours, but the retum trip took him 4 hours. Find the rate Pratap can row in still water and find the rate of the current. Let x=rate Pratap can row in still water and y=rate of the current
What is the rate that Pratap rows in still water?

Pratap can row at a rate of____?
(Type an integer or a decimal)
in still water.