document.write( "Question 503049: Train A leaves a station traveling @ 20mph. 2 hrs later, Train B leaves the same station traveling @ 30mph in the same direction. how long does it take for train B to catch up with train A ? \n" ); document.write( "
Algebra.Com's Answer #339068 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Train A = 20 mph \n" ); document.write( "Train B = 30 mph \n" ); document.write( "Train A starts 2 hours early \n" ); document.write( "Train A will have covered 40 miles before Train B starts from station \n" ); document.write( "catch up distance= 40 miles \n" ); document.write( "catch up speed = 30 -20 mph \n" ); document.write( "catch up speed = 10 mph \n" ); document.write( "Catchup time = catchup distance/catch up speed \n" ); document.write( "catch up time= 40 / 10 \n" ); document.write( "catch up time= 4 hours \n" ); document.write( " \n" ); document.write( " |