document.write( "Question 312273: a train leves at 9 am going 60 mph and another train leaves at 12 noon going 75 mph. how long until the second train catches the first
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #223268 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
a train leves at 9 am going 60 mph and another train leaves at 12 noon going 75 mph. how long until the second train catches the first
\n" ); document.write( "------------------------
\n" ); document.write( "In 3 hours, the 1st train is 180 miles away (3*60)
\n" ); document.write( "The 2nd train gains on it at 15 mph (75 - 60)
\n" ); document.write( "180/15 = 12 hours
\n" ); document.write( "
\n" ); document.write( "
\n" );