document.write( "Question 888863: Car A left Melbourne for Adelaide at 11.00 a.m. and travelled at an average speed of 70 km per hour.
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document.write( "Car B left Melbourne for Adelaide at 1.00 p.m. on the same day and travelled at an average speed of 90 km per hour. At what time will car B catch up to car A?
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Algebra.Com's Answer #537761 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Car A had a head start of 2 hours at 70 km/h or 140 km \n" ); document.write( "car B gained on car A at 20 kph \n" ); document.write( "140/20=7 car B will catch car A after 7 hrs \n" ); document.write( " |