document.write( "Question 65580: A plane flies 720mi agains a steady 30-mi/h headwind and then returns to the same point with the wind. If the entire trip takes 10h, what is the plane's speed in still air?
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Algebra.Com's Answer #46202 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
If the plane keeps its own constant rate:
\n" ); document.write( "Rate against wind = planespeed - windspeed = 720
\n" ); document.write( "planespeed - 30 = 720
\n" ); document.write( "planespeed = 750mi
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