document.write( "Question 1031906: \"How far can an airplane fly from its base, and yet return within 3 hours, if its outgoing speed is 600 kilometers per hour and its returning speed is 400 kilometers per hour?\" Can you help me with this?? Thanks in advance! \n" ); document.write( "
Algebra.Com's Answer #646584 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Convert to minutes: \n" ); document.write( " 3*60 = 180 minutes \n" ); document.write( " and 600/400 = 1.5 It takes 1.5 times longer coming back \n" ); document.write( " x+1.5x= 180 \n" ); document.write( " 2.5x = 180 \n" ); document.write( " x = 72 minutes is the fast speed \n" ); document.write( " and \n" ); document.write( " 72*1.5 = 108 is the fast speed \n" ); document.write( " 72+108=180 minutes and 180/60 = 3 hours of flight total. \n" ); document.write( " |