document.write( "Question 879673: Car A leaves a certain point and travels at a constant speed of 60kmph. 2 hours later car B leaves from the same point to overtake A travelling at 100kmph. How long will it take B to overtake A? \n" ); document.write( "
Algebra.Com's Answer #530973 by mananth(16946)\"\" \"About 
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Car A 60 mph
\n" ); document.write( "Car B 100 mph
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\n" ); document.write( "Difference in time= 02:00 => 2.00 hours
\n" ); document.write( "Car A will have covered 120.00 km when Car B starts
\n" ); document.write( "catch up distance= 120.00 km
\n" ); document.write( "catch up speed = 100 -60
\n" ); document.write( "catch up speed = 40 mph
\n" ); document.write( "Catchup time = catchup distance/catch up speed
\n" ); document.write( "catch up time= 3
\n" ); document.write( "catch up time= 3.00 hours
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