document.write( "Question 523006: David and Frank cycle from Islamabad to Lahore, a distance of 210 km, at the speeds of 20 km/hr and 15 km/hr. David reaches Lahore and starts back for Islamabad. How far Lahore will he meet Frank? \n" ); document.write( "
Algebra.Com's Answer #347159 by ankor@dixie-net.com(22740)\"\" \"About 
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David and Frank cycle from Islamabad to Lahore, a distance of 210 km, at the speeds of 20 km/hr and 15 km/hr.
\n" ); document.write( "David reaches Lahore and starts back for Islamabad.
\n" ); document.write( " How far Lahore will he meet Frank?
\n" ); document.write( ":
\n" ); document.write( "Find the time for the faster cyclist to arrive at Lahore
\n" ); document.write( "t = \"210%2F20\"
\n" ); document.write( "t = 10.5 hr
\n" ); document.write( ":
\n" ); document.write( "Find how far Frank is from Lahore in 10.5 hrs
\n" ); document.write( "d = 210 -(15*10.5)
\n" ); document.write( "d = 52.5 km from Lahore when David arrives at Lahore
\n" ); document.write( ":
\n" ); document.write( "Find the travel time (m) for them to meet from this point
\n" ); document.write( "write a distance equation, dist = speed * time
\n" ); document.write( "15m + 20m = 52.5
\n" ); document.write( "35m = 52.5
\n" ); document.write( "m = \"52.5%2F35\"
\n" ); document.write( "m = 1.5 hrs for them to meet
\n" ); document.write( ":
\n" ); document.write( "Find how far from Lahore in 1.5 hrs
\n" ); document.write( "1.5*20 = 30 km from Lahore when they meet \n" ); document.write( "
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