document.write( "Question 628085: Two trains leave chicago, one headed due east at 60 mph and one headed due west at 50 mph. How long before they will be 990 miles apart? \n" ); document.write( "
Algebra.Com's Answer #395358 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Since they are traveling in opposite directions, add their speeds. Then divide distance by total speed to get time.\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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