document.write( "Question 381518: It takes a train the same time to travel 450 km as it takes a bus to travel 300 km. If the bus is traveling 30 km/h slower than the train, find the rate at which each is traveling.\r
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document.write( "Pls. ans. this.... \n" );
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Algebra.Com's Answer #270598 by mananth(16946)![]() ![]() You can put this solution on YOUR website! train rate = x \n" ); document.write( "bus rate = x-30 \n" ); document.write( ".. \n" ); document.write( "train distance = 450 miles \n" ); document.write( "bus distance = 300 miles \n" ); document.write( ".. \n" ); document.write( "time bus = time train \n" ); document.write( "450/x= 300/(x-30) \n" ); document.write( "cross mulyiply \n" ); document.write( "450(x-30)=300x \n" ); document.write( "450x-13500=300x \n" ); document.write( "450x-300x=13500 \n" ); document.write( "150x=13500 \n" ); document.write( "/150 \n" ); document.write( "x=13500/150 \n" ); document.write( "rate of train = 90 mph. \n" ); document.write( "rate of bus = 90-30 = 60 mph \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |