document.write( "Question 881813: How long would it take a half-mile long train going two miles a minute to go through a four-miles tunnel? \n" ); document.write( "
Algebra.Com's Answer #532514 by lwsshak3(11628)\"\" \"About 
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How long would it take a half-mile long train going two miles a minute to go through a four-miles tunnel?
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\n" ); document.write( "effective distance train travels=4.5 miles
\n" ); document.write( "travel time=distance/rate of speed
\n" ); document.write( "travel time=4.5/2=2.25
\n" ); document.write( "How long would it take for the train to go through a four-mile tunnel? 2.25 min
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