document.write( "Question 467331: two trains leave the same station at the same time, one traveling east and the other traveling west. at the end of 3 hours they are 216 miles apart. if the rate of the train traveling east is 12 miles per hour faster than the rate of the other train, find their rate. \n" ); document.write( "
Algebra.Com's Answer #320625 by jorel1380(3719)\"\" \"About 
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3(n+n+12)=216
\n" ); document.write( "6n+36=216
\n" ); document.write( "6n=180
\n" ); document.write( "n=30
\n" ); document.write( "n+12=42
\n" ); document.write( "The trains are going 30 mph and 42 mph..
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