document.write( "Question 851074: a train traveling at 30 kilometer per hour takes 5 seconds to enter a tunnel. How many kilometers long is the train? Express your answer as a proper fraction. \n" ); document.write( "

Algebra.Com's Answer #512561 by josgarithmetic(39617) $\"\"$ $\"About$

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The posterior of the train moves the train-length in that 5 seconds. That is what to find.\r
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\n" ); document.write( " $\"%2830%2A5%29%2F%2860%2A60%29\"$
\n" ); document.write( " $\"%281%2F2%29%281%2F12%29\"$
\n" ); document.write( " $\"highlight%281%2F24%29\"$ kilometers \n" ); document.write( "

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