SOLUTION: A plane traveled 900 miles to Austin and back. The trip there was with the wind. It took 10 hours. The trip back was into the wind. The trip back took 30 hours. Find the speed of t

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Question 1156172: A plane traveled 900 miles to Austin and back. The trip there was with the wind. It took 10 hours. The trip back was into the wind. The trip back took 30 hours. Find the speed of the plane in still air and the speed of the wind.

Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
r and w

system%28r%2Bw=900%2F10%2Cr-w=900%2F30%29

system%28r%2Bw=90%2Cr-w=30%29 (? 30 mph plane in the air?)

system%28highlight%28r=60%29%2Chighlight%28w=30%29%29