document.write( "Question 274000: at noon a train leaves washington d.c. headed for charleston south carolina, a distance of 500 mi. the train travels at a speed of 60mph.at 1 pm a second train leaves charleston headed for washington dc traveling at 50mph . how long after the train leaves charleston will the 2 trains pass each other \n" ); document.write( "

Algebra.Com's Answer #200037 by stanbon(75887) $\"\"$ $\"About$

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at noon a train leaves washington d.c. headed for charleston south carolina, a distance of 500 mi. the train travels at a speed of 60mph.
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\n" ); document.write( "at 1 pm a second train leaves charleston headed for washington dc traveling at 50mph .
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\n" ); document.write( "how long after the train leaves charleston will the 2 trains pass each other
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\n" ); document.write( "Wash to Char train DATA:
\n" ); document.write( "rate = 60 mph: time = x hrs; distance = rt = 60x miles
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\n" ); document.write( "Char to Wash train DATA:
\n" ); document.write( "rate = 50 mph; time = x-1 hrs ; distance = rt = 50(x-1) miles
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\n" ); document.write( "Equation:
\n" ); document.write( "dist + dist = 500 miles
\n" ); document.write( "60x + 50x -50 = 500
\n" ); document.write( "110x = 550
\n" ); document.write( "x = 5 hrs
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\n" ); document.write( "x-1 = 4 hrs (time for the Char to Wash train
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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