document.write( "Question 1166630: A company president flew 1110 miles in a corporate jet but returned in a smaller plane that could fly only half as fast. If the total travel time was 9 hours, find the speeds of the planes.
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Algebra.Com's Answer #791204 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Solve most of the problem using common sense instead of formal algebra: Flying half as fast means the trip takes twice as long. \n" ); document.write( "Since the total time was 9 hours, that means 3 hours at the higher speed and 6 hours at the lower speed. \n" ); document.write( "ANSWERS: \n" ); document.write( "corporate jet speed: 1110/3 = 370 mph \n" ); document.write( "smaller plane speed: half of 370 mph = 185 mph \n" ); document.write( " \n" ); document.write( " |