document.write( "Question 927373: A train traveling at a speed of 30 mph passes point A on its way to point B. At the same time, on a parallel track, another train traveling at a speed of 70 mph passes point B on its way to point A. If point A and point B are 300 miles apart, how far from point B will the trains meet?\r
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document.write( "(F) 240 mi
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document.write( "(G) 210 mi
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document.write( "(H) 150 mi
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document.write( "(J) 140 mi
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document.write( "(K) 90 mi \n" );
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Algebra.Com's Answer #562913 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A train traveling at a speed of 30 mph passes point A on its way to point B. At the same time, on a parallel track, another train traveling at a speed of 70 mph passes point B on its way to point A. If point A and point B are 300 miles apart, how far from point B will the trains meet? \n" ); document.write( "*** \n" ); document.write( "Trains are effectively approaching each other at a speed=70+30=100 mph \n" ); document.write( "At 100 mph, they will meet in 300/100=3 hrs \n" ); document.write( "At 70 mph,the train on the way to point A will be 3*70=210 mi from point B \n" ); document.write( "ans (G) \n" ); document.write( " |