document.write( "Question 347328: Train A is traveling at 40mph, and train B at 50mph. If they are on a parallel track, and A passes the station at 1:20, and B passes same station at 1:32, what time will be catch up to train A? \n" ); document.write( "
Algebra.Com's Answer #248575 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! at 1:32 the B train is 12 min (1/5 hr) behind the A train\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the A train is traveling 40 mph , so it is 8 mi (1/5 * 40) ahead\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the B train is closing at 10 mph (50 - 40) , and must close the 8 mi gap\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this takes 8/10 hr \n" ); document.write( " |