document.write( "Question 262142: Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 60 miles per hour. Train A passes a station at 5:25 A.M. If train B passes the same station at 5:37 A.M, at what time will train B catch up to train A? \n" ); document.write( "
Algebra.Com's Answer #853972 by ikleyn(53742) You can put this solution on YOUR website! . \n" ); document.write( "Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour \n" ); document.write( "and train B is traveling at 60 miles per hour. Train A passes a station at 5:25 A.M. If train B passes the same \n" ); document.write( "station at 5:37 A.M, at what time will train B catch up to train A? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " The solution in the post by @mananth is incorrect due to his errors in reasoning and in calculations.\r \n" ); document.write( "\n" ); document.write( " I came to bring a correct solution.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "At 5:37 AM, train A is 40 mph x 12 minutes = 40 mph x 0.2 of an hour = 8 miles ahead train B,\r\n" ); document.write( "and the rate of approaching train B to train A is 60-40 = 20 mph.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "So, train B will catch train A in\r \n" ); document.write( "\n" ); document.write( "Solved correctly.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |