document.write( "Question 336546: Train A is going 60mph. Train B is going 70mph. If train A passes the station at 5:15 and train B passes the station at 5:45, what time will train B catch train A? \n" ); document.write( "

Algebra.Com's Answer #241278 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Rate*Time=Distance
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "During that $\"1%2F2\"$ hour difference, Train A travel $\"30\"$ miles from the station.
\n" ); document.write( "Start counting time when Train B passes the station.
\n" ); document.write( "Train A's distance from the station is
\n" ); document.write( " $\"Da=60t%2B30\"$
\n" ); document.write( "Train B's distance from the station is,
\n" ); document.write( " $\"Db=70t\"$
\n" ); document.write( "Find $\"t\"$ when $\"Da=Db\"$ .
\n" ); document.write( " $\"60t%2B30=70t\"$
\n" ); document.write( " $\"10t=30\"$
\n" ); document.write( " $\"t=3\"$
\n" ); document.write( "It will take Train B three hours to catch up to Train A. \n" ); document.write( "

\n" );