document.write( "Question 927296: A car started out from Memphis toward Little Rock at the rate of 60 km/h. A second car left from the same point 2 hours later and drove along the same route at 75 km/h. How long did it take the second car to overtake the first car? \n" ); document.write( "
Algebra.Com's Answer #562871 by TimothyLamb(4379)\"\" \"About 
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first car distance covered in 2 hours:
\n" ); document.write( "s = d/t
\n" ); document.write( "d = st
\n" ); document.write( "d = 60*2 = 120 km
\n" ); document.write( "---
\n" ); document.write( "speed of second car relative to the first car:
\n" ); document.write( "75 - 60 = 15 km/hr
\n" ); document.write( "---
\n" ); document.write( "time taken by the second car to overtake the first car:
\n" ); document.write( "t = d/s
\n" ); document.write( "t = 120/15
\n" ); document.write( "t = 8 hours
\n" ); document.write( "---
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