document.write( "Question 71366This question is from textbook
\n" ); document.write( ": With a head wind, a plane traveled 1000 mi in 4 h. With the same wind as a tail wind, the return trip took 3 h 20 min. Find the plane's air speed and the wind speed. \n" ); document.write( "
Algebra.Com's Answer #51041 by checkley75(3666)\"\" \"About 
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1000/4=250 mph. against the head wind.
\n" ); document.write( "1000/3.33=300.03 mph with the wind.
\n" ); document.write( "(300.03-250)/2=25.015 is the wind speed.
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