The speed of the current in a stream is 4 mi/hr. It takes a canoeist 96 minutes longer to paddle 13 miles upstream than to paddle the same distance downstream. What is the canoeist's rate in still water?

Answer 1

there are twice as many flute players as there are trumpet players in the band. if there are n flute players, write an algebraic expression to find out how many trumpet players there are.