document.write( "Question 259867: Passengers versus freight. A freight train takes 1 1/4 hours to get to the city; a passenger train averaging 40mph faster takes only 45 minutes to cover the same distance. What is the average speed of the passenger train? \n" ); document.write( "
Algebra.Com's Answer #191355 by richwmiller(17219)\"\" \"About 
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rt=d
\n" ); document.write( "rt=rt
\n" ); document.write( "f*5/4=(f+40)*3/4
\n" ); document.write( "multiply by 4
\n" ); document.write( "5f=3f+120
\n" ); document.write( "2f=120
\n" ); document.write( "f=60 mph
\n" ); document.write( "p=100 mph
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