document.write( "Question 730316: Two trains leave a train station at the same time. One travels east at 7 miles per hour. The other train travels west at 9 miles per hour. In how many hours will the two trains be 80 miles apart? \n" ); document.write( "
Algebra.Com's Answer #446637 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "7 plus 9 is 16. How long does it take to go 80 miles at 16 miles per hour?\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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