Amy flies a small airplane from Fargo to Bismarck, North Dakota --- a distance of 180 miles. Because she is flying into a head wind, the trip takes her 2 hours. On the way back, the wind is still blowing at the same speed, so the return trip takes only 1 hour 12 minutes. What is her speed in still air, and how fast is the wind blowing?


Your answer is
his speed equals  
the wind speed equals