document.write( "Question 932111: it takes an airplane 1 hr 30 min to fly 600 km against the wind. The return trip with the wind takes only 1 hr. Find the total flying time for the round trip if there was no wind? \n" ); document.write( "
Algebra.Com's Answer #565958 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! r + w = 600kph \n" ); document.write( "r - w = 400kph \n" ); document.write( "2r = 1000kpr \n" ); document.write( "r = 500kph, the speed of the plane \n" ); document.write( ".... \n" ); document.write( "w/o wind \n" ); document.write( "t = 600k/500kph = 1.2 hr \n" ); document.write( " |