document.write( "Question 804847: A train leaves Philadelphia traveling at 70 mph. One hour later a second train leaves traveling at 80 mph. How long will it take for the trains to be 520 miles apart? \n" ); document.write( "
Algebra.Com's Answer #484976 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A train leaves Philadelphia traveling at 70 mph. One hour later a second train leaves traveling at 80 mph. How long will it take for the trains to be 520 miles apart? \n" ); document.write( "================= \n" ); document.write( "It depends on the directions. \n" ); document.write( " |