document.write( "Question 975080: Two trains leave the station at the same time going into opposite directions. One of the trains travels at 90 mph and the other is traveling at 120 moh. After how many hours will they be 735 miles apart? \n" ); document.write( "
Algebra.Com's Answer #596888 by Alan3354(69443)\"\" \"About 
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Two trains leave the station at the same time going into opposite directions. One of the trains travels at 90 mph and the other is traveling at 120 moh. After how many hours will they be 735 miles apart?
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\n" ); document.write( "Speed are added when going in opposite directions.
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\n" ); document.write( "d = r*t
\n" ); document.write( "t = d/r
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