document.write( "Question 183569: Trains A and B are traveling in the same direction on paralle tracks. Train A is traveling at 100 mph and train B is traveling at 120 mph. Train A passes the station at 9:20 P.M. If train B passes the same station at 9:32 P.M., at what time will train B catch up to train A? __:___ P.M. or A.M. \n" ); document.write( "
Algebra.Com's Answer #137793 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "THE DISTANCES ARE THE SAME THUS: \n" ); document.write( "100T=120(T-12/60) \n" ); document.write( "100T=120T-120*.2 \n" ); document.write( "100T=120T-24 \n" ); document.write( "100T-120T=-24 \n" ); document.write( "-20T=-24 \n" ); document.write( "T=-24/-20 \n" ); document.write( "T=1.2 HOURS AFTER TRAIN A LEAVES THE STATION THEY WILL MEET. \n" ); document.write( "PROOF: \n" ); document.write( "100*1.2=120(1.2-.2) \n" ); document.write( "120=120*1 \n" ); document.write( "120=120 \n" ); document.write( " |