document.write( "Question 665159: a passenger jet took 3 hours to fly 1980 miles in the direction of the jet stream. the return trip against the jets stream took 4 hours. what was the jet's speed still air and the jet stream speed? \n" ); document.write( "
Algebra.Com's Answer #413688 by Alan3354(69443)\"\" \"About 
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a passenger jet took 3 hours to fly 1980 miles in the direction of the jet stream. the return trip against the jets stream took 4 hours. what was the jet's speed still air and the jet stream speed?
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\n" ); document.write( "Find the 2 groundspeeds using d = r*t
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\n" ); document.write( "The plane's airspeed is the average of those.
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\n" ); document.write( "The windspeed is the difference between airspeed and groundspeed.
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