document.write( "Question 372867: The train stations for New York and Boston are 220 miles apart. A train left New York for Boston at 8:00 am traveling at 65 mph. An hour later an express train left Boston for New YOrk traveling at 90 mph. At what time did they pass each other?
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Algebra.Com's Answer #265545 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Train A New York Boston 8.00 am- 65 mph - \n" ); document.write( "Train B Bost New York 9.00 am - 90 mph \n" ); document.write( ".. \n" ); document.write( "Train A in 1 hour before train B started has traveled 65 miles. \n" ); document.write( "Balnce distance = 220 -65 = 155 miles. \n" ); document.write( ".. \n" ); document.write( "At this point distance = 155 miles. \n" ); document.write( "travelling towards each other. \n" ); document.write( "So add the speeds 90+65= 155 mph \n" ); document.write( ".. \n" ); document.write( "t = d/r \n" ); document.write( "t = 155/155 mph \n" ); document.write( ".. \n" ); document.write( "t = 1hour after Train B leaves. \n" ); document.write( "So at 10.00 am they cross each other.\r \n" ); document.write( "\n" ); document.write( ".. \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |