document.write( "Question 611689: it takes a jet airplane 4 hours and 20 minutes to travel nonstop from Chicago to Los Angeles , an air distance of 1745 miles. what is the average speed of the airplane in miles per hour. \n" ); document.write( "
Algebra.Com's Answer #385110 by Alan3354(69443)\"\" \"About 
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it takes a jet airplane 4 hours and 20 minutes to travel nonstop from Chicago to Los Angeles , an air distance of 1745 miles. what is the average speed of the airplane in miles per hour.
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\n" ); document.write( "d = r*t
\n" ); document.write( "r = d/t
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