document.write( "Question 1120333: some part of a journey of 780 km was made by a car with speed of 60 km per hour and the remaining journey was made by train with a the speed of 100 km per hour.if the total time required was 9 hours find the time taken by train and distance covered by train \n" ); document.write( "
Algebra.Com's Answer #736004 by josgarithmetic(39617)\"\" \"About 
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Time of first part, \"x%2F60\" hours, by car\r
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\n" ); document.write( "\n" ); document.write( "Time of second part, \"%28780-x%29%2F100\" hours, by train\r
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\n" ); document.write( "\n" ); document.write( "Total time, 9 hours:
\n" ); document.write( "\"x%2F60%2B%28780-x%29%2F100=9\"
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