document.write( "Question 851320: A train leaves little rock, Arkansas, and travels north at 85 kilometers per hour. Another train leaves at the same time and travels south at 90 kilometers per hour. How long ( hours) will it take before they are 525 kilometers apart? \n" ); document.write( "
Algebra.Com's Answer #512697 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( " 85kmph*t + 90kmph*t = 525km
\n" ); document.write( " t = \"525km%2F%28175kmph%29\" = 3 hr, time it will take before they are 525km apart \n" ); document.write( "
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