document.write( "Question 438469: Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 100 miles an hour and train B is traveling at 120 miles an hour. Train A passes a ststion at 5:25 p.m. If train B passes the same station at 5:37 p.m., at what time will train B catch up to train A? \n" ); document.write( "
Algebra.Com's Answer #303212 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Trains A and B are traveling in the same direction on parallel tracks. \n" ); document.write( " Train A is traveling at 100 miles an hour and train B is traveling at 120 miles an hour. \n" ); document.write( " Train A passes a station at 5:25 p.m. \n" ); document.write( " If train B passes the same station at 5:37 p.m., at what time will train B catch up to train A? \n" ); document.write( ": \n" ); document.write( "From the given information, we know that Train B is 12 min behind A at at 5:25 pm \n" ); document.write( "therefore Train B is: \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "Let t = time required for Train B to catch Train A \n" ); document.write( ": \n" ); document.write( "Write a distance equation; dist = speed * time \n" ); document.write( ": \n" ); document.write( "Train B dist = Train A dist + 24 mi \n" ); document.write( "120t = 100t + 24 \n" ); document.write( "120t - 100t = 24 \n" ); document.write( "20t = 24 \n" ); document.write( "t = \n" ); document.write( "t = 1.2 hrs for B to catch A \n" ); document.write( ": \n" ); document.write( "Convert 1.2 hrs to hrs and minutes: 1 + .2(60) = 1 hr 12 min \n" ); document.write( ": \n" ); document.write( "Find the time from 5:25 pm: \n" ); document.write( "5:25 + 1:12 = 6:37 pm, Train B catches Train A \n" ); document.write( " |