document.write( "Question 1202403: Hi
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document.write( "A car driver and a truck driver started from the same place and headed for the same destination 480km away. The car set off 90min later than the truck but arrived 90min earlier. If the average speed of the truck was 60km per hour, what was the average speed of the car.
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document.write( "Thanks \n" );
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Algebra.Com's Answer #837221 by mananth(16946) You can put this solution on YOUR website! \n" ); document.write( "A car driver and a truck driver started from the same place and headed for the same destination 480km away. The car set off 90min later than the truck but arrived 90min earlier. If the average speed of the truck was 60km per hour, what was the average speed of the car.\r \n" ); document.write( "\n" ); document.write( "Distance = 480 km \n" ); document.write( "speed of truck = 60 km/h\r \n" ); document.write( "\n" ); document.write( "Time taken by truck = 480/60 = 8 hours\r \n" ); document.write( "\n" ); document.write( "Car left 1.5 hours late and reached 1.5 hours early \n" ); document.write( "Time taken by car 3 hours less than that of the truck\r \n" ); document.write( "\n" ); document.write( "8-3 = 5 hours\r \n" ); document.write( "\n" ); document.write( "480 /5 = 96 km/h speed of car\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |