document.write( "Question 401609: a jet flew east at a speed of 550 mph. on the same trip back west the jet was only able to fly 400 mph and the trip took 2 hours longer. how long did the trip east take? \n" ); document.write( "
Algebra.Com's Answer #284211 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Let distance be x\r \n" ); document.write( "\n" ); document.write( "Time west - Time east = 2 \n" ); document.write( "x/400 - x/550=2 \n" ); document.write( "... \n" ); document.write( "(550x-400x)/400*550=2 \n" ); document.write( "150x=220000*2 \n" ); document.write( "150x=440000 \n" ); document.write( "/150 \n" ); document.write( "x=440000/150 \n" ); document.write( "... \n" ); document.write( "Distance = 2933 miles \n" ); document.write( ".. \n" ); document.write( "Time east = 2933/550 \n" ); document.write( "Time east = 5.33 hours \n" ); document.write( " |