document.write( "Question 358987: At noon a train leaves Washington, D.C., headed for Charleston, South Carolina, a distance of 500 miles. the train travels at a speed of 60 mph. At 1 p.m. a second train leaves charleston headed for washington d.c., traveling at 50 mph. how long after the train leaves charleston will the twon trains pass each other? \n" ); document.write( "
Algebra.Com's Answer #256163 by mananth(16946)![]() ![]() You can put this solution on YOUR website! At noon a train leaves Washington, D.C., headed for Charleston, South Carolina, a distance of 500 miles. the train travels at a speed of 60 mph. At 1 p.m. a second train leaves charleston headed for washington d.c., traveling at 50 mph. how long after the train leaves charleston will the twon trains pass each other? \n" ); document.write( "... \n" ); document.write( "12 noon train A - speed = 60 mph \n" ); document.write( "1 pm train B speed 50 mph \n" ); document.write( "... \n" ); document.write( "when train B starts train A has traveled 60 miles. \n" ); document.write( "Balance distance between two trains = 440 miles. \n" ); document.write( "... \n" ); document.write( "they are travelling towards each other. \n" ); document.write( "so speed = 60+50=110 mph. \n" ); document.write( "distance 440 miles \n" ); document.write( "time = 440/110 \n" ); document.write( "time = 4 hours \n" ); document.write( " they will meet 4 hours after train B starts \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |