Rowing. Abby rows 10km. upstream and 10km. back in a total time of three hours. The speed of the river is 5km./h. Find Abby's speed in still water.

Answer 1

I just answered a very similar question here:

http://www.jiskha.com/display.cgi?id=1312332711

Study the solution and see if you can apply it to your question.

Answer 2

Also I just noticed that the same question was answered here:
http://www.jiskha.com/display.cgi?id=1312075836

All you have to do is solve the equation at the end.

Answer 3

can you please help find the solution to this equation. Your help would be greatly appreciated