document.write( "Question 1152159: a charter plane set off to dubai at a speed of 214kph. on the return flight of 10hours, the plane cruised at 289kph. how man hours long was the flight to dubai? \n" ); document.write( "
Algebra.Com's Answer #774122 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Planes (and boats) don't use kph, they use knots for speed.
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\n" ); document.write( "when I flew helicopters, we used knots for speed, our altimeters were in feet, and all the maps were in kilometers, with altitudes in meters.
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\n" ); document.write( "Made things interesting, even when not being shot at.
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\n" ); document.write( "PS No matter where you fly, ATC and the tower have to be able to speak English.
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