document.write( "Question 933606: Two trains leave a city at 1 P.M. One train goes north at a constant rate of 75 mph. The other goes south at a constant rate of 63 mph. At what time will the trains be 621 miles apart?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #566917 by Edwin McCravy(20059)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "They are separating at the rate of 75+63=138 mph.\r\n" ); document.write( "\r\n" ); document.write( "time = distance/rate = 621/138 = 4.5 hrs. past 1 PM is 5:30 PM.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |