document.write( "Question 21339: A freight tain leaves a station at 4:00 p.m. traveling ay 30 kilometers per hour. A passenger train leaves 1 hour later, traveling at 50 kilometers per hour. At what time will the passenger train overtake the frieght train. \n" ); document.write( "

Algebra.Com's Answer #10293 by Photonjohn(42) $\"\"$ $\"About$

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Freight - 30 mph and travels t hours
\n" ); document.write( "Passenger - 50 mph and travels t-1 hours
\n" ); document.write( "then 30t = 50(t-1)
\n" ); document.write( "30t = 50t -50
\n" ); document.write( "20t = 50
\n" ); document.write( "t = 2.5 hours of travel until overtaken.
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