document.write( "Question 897275: if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average speed for the round trip? Ignore any layover time. Check your answer. It is not 60 kph \n" ); document.write( "
Algebra.Com's Answer #544070 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average speed for the round trip? Ignore any layover time. Check your answer. It is not 60 kph
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\n" ); document.write( "Average speed: \"100%2F3\", or \"highlight_green%28highlight_green%2833%261%2F3%29%29\" kph \n" ); document.write( "
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