document.write( "Question 975884: A train travels for 5 hours.The first half of the distance at 40 kmph and remaining distance at 60 kmph.Find the distance (in km). \n" ); document.write( "
Algebra.Com's Answer #597565 by Alan3354(69443)\"\" \"About 
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A train travels for 5 hours.The first half of the distance at 40 kmph and remaining distance at 60 kmph.Find the distance (in km).
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\n" ); document.write( "The avg speed for the trip = 2*40*60/(40+60) = 48 km/hr
\n" ); document.write( "48 km/hr * 5 hr = 240 km
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\n" ); document.write( "Check:
\n" ); document.write( "120/40 + 120/60 = 3 + 2 = 5 hours
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