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document.write( "2 trains leave the station at the same time.The East bound train travels at 65mph. While the west bound train is going 55 mph. How long will it take the 2 trains to be 420 miles apart? \n" );
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Algebra.Com's Answer #144251 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Going in opposite directions, their relative speed is the sum, 55+65 = 120 mph. \n" ); document.write( "420 miles/120 mph = 3.5 hours. \n" ); document.write( " |