A Boeing 757 flies a direct route from Dallas, TX, to Phoenix, AZ and then returns to Dallas, TX. The flight is 900 miles one way. It took 2 hrs and 15 minutes for the flight to Phoenix and 2 hrs for the flight back to Dallas. What was the speed of the wind in mph? Choose the correct choice from the following answers:	A) 20 mph	B) 25 mph	C) 30 mph	D) 35 mph	E) 40 mph
Explanation:   Change the times in the problem to minutes first.   Speed of airplane from Dallas to Phoenix: (900/135) X 60 = 400 mph   Speed of airplane from Phoenix to Dallas: (900/120) X 60 = 450 mph   Wind speed: 1/2 (450 - 400) = 50/2= 
<gadget id="calculator">50/2</gadget>
<output>25</output>
25 mph   Answer: Option 25 mph
<result>B</result>
A Boeing 757 flies a direct route from Dallas, TX, to Phoenix, AZ and then returns to Dallas, TX. The flight is 900 miles one way. It took 2 hrs and 15 minutes for the flight to Phoenix and 2 hrs for the flight back to Dallas. What was the speed of the wind in mph?