document.write( "Question 428243: Two motorbikes leave Atlanta, Georgia at the same time, one traveling north at the speed of 50 miles per hour and the other south at a rate of 55 miles per hour. After how many hours will they be 420 miles apart?
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Algebra.Com's Answer #297711 by Gogonati(855)\"\" \"About 
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Solution: Let x be the time after motorbikes are 420 miles apart.\r
\n" ); document.write( "\n" ); document.write( "50x miles is the distance traveled north.\r
\n" ); document.write( "\n" ); document.write( "55x miles is the distance traveled south.
\n" ); document.write( "Set the equation: 50x+55x=420 => 105x=420 => x=4.
\n" ); document.write( "Answer: After 4 hours the motorbikes are 420 miles apart.
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