document.write( "Question 255703: trains A and B are traveling in the same direction on the parallel tracks. train A is traveling 100 miles per hour and train B is traveling at 110miles per hour. Train A passed a station at 7:10pm if train B passes the same station at 7:22pm. At what time till train B catch up with train A?
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Algebra.Com's Answer #187954 by Alan3354(69443) You can put this solution on YOUR website! trains A and B are traveling in the same direction on the parallel tracks. train A is traveling 100 miles per hour and train B is traveling at 110miles per hour. Train A passed a station at 7:10pm if train B passes the same station at 7:22pm. At what time till train B catch up with train A? \n" ); document.write( "----------------- \n" ); document.write( "722 - 710 = 12 minutes = 1/5 hour \n" ); document.write( "Train A goes 20 miles in that time (100 mph * 1/5 hour) and it 20 miles ahead of train B at 722. \n" ); document.write( "Train B is gaining on train A at 10 mph (110 - 100). \n" ); document.write( "20 miles/10 mph = 2 hours. \n" ); document.write( "722 + 200 = 922 PM\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |