document.write( "Question 414829: two trains leave chicago at the same time traveling in opposite directio. one is going 60 miles per hour and the other is going 65 miles per hour. how long before they are 375 miles a part \n" ); document.write( "
Algebra.Com's Answer #290928 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "relative velocity = 125\r
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\n" ); document.write( "\n" ); document.write( "time = 375 /125 = 3 \r
\n" ); document.write( "\n" ); document.write( "so 3 hours...\r
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