document.write( "Question 479482: A car travels 250 kilometrs in the same time that a truck travels 225 kilometers. If the speed of the car is 8 kilometers per hour faster than the speed of the truck, find both speeds. \r
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document.write( "What is the equation? \n" );
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Algebra.Com's Answer #328552 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Truck----x------225 km \n" ); document.write( "Car ----x+8 ----- 250 km \n" ); document.write( " \n" ); document.write( "t=d/r \n" ); document.write( "225/x = 250 /(x+8) \n" ); document.write( "Cross multiply \n" ); document.write( "225(x+8 ) = 250 * x \n" ); document.write( "225 x + 1800 = 250 x \n" ); document.write( "250 x -225 x = 1800 \n" ); document.write( "25 x = 1800 \n" ); document.write( "/ 25 \n" ); document.write( "x = 72 Truck kph \n" ); document.write( " 80 Car kph \n" ); document.write( " \n" ); document.write( " |