document.write( "Question 877246: It is a simultaneous and liner equation word problem:
\n" ); document.write( "A train takes 7hrs to travel from station A to stationB.If its speed increased by 19km/h,it will take 1hr less to complete the journey.Find the distance between two stations.
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Algebra.Com's Answer #529267 by rothauserc(4718)\"\" \"About 
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r*7 = d
\n" ); document.write( "(r+19)6 = d
\n" ); document.write( "7r = 6r + 114
\n" ); document.write( "r = 114 km/h
\n" ); document.write( "r*t = d
\n" ); document.write( "114 * 7 = 798
\n" ); document.write( "distance between station A and station B is 798 km
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