A cyclist travels 70 miles in 7 hours going against the wind and 56 miles in 4 hours with the wind. what is the rate of the cyclist in still air and the rate of the wind.

rate in stir air =
rate of the wind=

I just answered the question you posted as Mandy

http://www.jiskha.com/display.cgi?id=1291090906
follow the same steps, they are the same type of question.

Also please keep the same name when you post several questions. Once you have entered your name in "First Name", your computer should remember it for the next time.