document.write( "Question 337758: a train that is 1 km long is moving along a straight track toward a tunnel that is 1 km long. The train travels @ 30 km/h. How many minutes does it take the train to go completely through the tunnel? \n" ); document.write( "
Algebra.Com's Answer #242155 by Fombitz(32388)\"\" \"About 
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Rate*Time=Distance
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\n" ); document.write( "The train must travel 2 km before the entire train is out of the tunnel.
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\n" ); document.write( "\"30t=2\"
\n" ); document.write( "\"t=1%2F15\" hr
\n" ); document.write( "\"t=4\" minutes
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