+10 A plane traveled 812 miles to Austin and back. The trip there was with the wind. It took 7 hours. The trip back was into the wind. The trip back took 14 hours. FInd the speed of the plane in still air and the speed of the wind.
+37159 Going TO Austin 812 / 7 = 116 m/hr
going BACK 812/14 = 58
(116+58)/2 = plane speed = 87 m/hr then wind is 116 - 87 = 29 m/hr
