document.write( "Question 1038460: a trip takes 5 hours in a car moving at 40 miles per hour how long would a train take if it moves at 100 miles per hour\r
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Algebra.Com's Answer #653162 by Theo(13342)![]() ![]() You can put this solution on YOUR website! rate * time = distance. \n" ); document.write( "rate is in miles per hour. \n" ); document.write( "time is in hours. \n" ); document.write( "distance is in miles. \n" ); document.write( "for the car, .... \n" ); document.write( "rate = 40 miles per hour and time = 5 hours. \n" ); document.write( "distance is therefore equal to 40 * 5 = 200 miles. \n" ); document.write( "for the train, ..... \n" ); document.write( "rate = 100 miles per hour and distance = 200 miles. \n" ); document.write( "rate * time = distance becomes 100 * time = 200 \n" ); document.write( "divide both sides of this equation by 100 to get time = 2 hours. \n" ); document.write( " \n" ); document.write( " |