document.write( "Question 1061532: Nora leaves Town A and walks towards Town B at a speed of 100m/min. At the same time , Kate and Lixin walk from Town B towards Town A at a speed of 80mm/min and 75m/min respectively. If Nora meets Lixin 6 minutes after passing Kate, find the distance between Town A and Town B.\r
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Algebra.Com's Answer #838346 by Sam91(1)\"\" \"About 
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Let d be the distance (in meters) between cities A and B.
\n" ); document.write( "Time in minutes and speed in meters per minute (m/ min)\r
\n" ); document.write( "\n" ); document.write( "Using formula, distance = speed * time
\n" ); document.write( " d= v * t\r
\n" ); document.write( "\n" ); document.write( "let @ time t minutes Nora meets Kate.\r
\n" ); document.write( "\n" ); document.write( " d= 100*t + 80*t
\n" ); document.write( " d= 180* t (1)
\n" ); document.write( "('d' is point @ kate and nora meet each other= Distance covered by Nora + distance covered Kate)\r
\n" ); document.write( "\n" ); document.write( "Similarly, @ time (t+6) minues Nora meets Lixin\r
\n" ); document.write( "\n" ); document.write( " d= 100*(t+6) + 75*(t+6) ( here (t+6) is common)
\n" ); document.write( " d= 175*(t+6)
\n" ); document.write( " d= 175*t + 1050 (2) \r
\n" ); document.write( "\n" ); document.write( "Equating (1) and (2)
\n" ); document.write( " d = d \r
\n" ); document.write( "\n" ); document.write( " 180 t = 175 t+ 1050
\n" ); document.write( "On simplifying,
\n" ); document.write( " 180t - 175t = 1050\r
\n" ); document.write( "\n" ); document.write( " 5t = 1050
\n" ); document.write( " t=210 minutes\r
\n" ); document.write( "\n" ); document.write( "@ time = 210 minutes Nora met Kate
\n" ); document.write( "Also,@ time (210+6=) 216 minutes Nora met Lixin\r
\n" ); document.write( "\n" ); document.write( "Using, the value to t and substituting in equation (1)
\n" ); document.write( " d= 180* 210 m (here minutes will be cancelled by minutes)\r
\n" ); document.write( "\n" ); document.write( " d= 18*21*100 m = 37800 metrea\r
\n" ); document.write( "\n" ); document.write( "The distance between the cities A and B is 37800 meters.
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