document.write( "Question 986214: The average speed of a train running at a speed of 30km/hr during the 1st 100km, at 40km/hr during the 2nd 100km and at 50km/hr during the last 100 is ? \n" ); document.write( "
Algebra.Com's Answer #607025 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
RT=D relates rate, time, and distance.
\n" ); document.write( "Each distance covered is one term.\r
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\n" ); document.write( "\n" ); document.write( "Total Time,
\n" ); document.write( "\"100%2F30%2B100%2F40%2B100%2F50\"
\n" ); document.write( "\"10%2F3%2B10%2F4%2B2\"
\n" ); document.write( "LCD is 3*4
\n" ); document.write( "\"40%2F12%2B30%2F12%2B24%2F12\"
\n" ); document.write( "\"94%2F12\"
\n" ); document.write( "\"47%2F6\" hours\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Total Distance,
\n" ); document.write( "\"100%2B100%2B100=300%2Akm\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"Average+Speed%2C+300%2F%2847%2F6%29\"
\n" ); document.write( "\"300%2A6%2F47\"
\n" ); document.write( "\"highlight%28%2838%261%2F3%29%28km%2Fhour%29%29\"
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