document.write( "Question 937480: A train spent 3 hour at 20km an hour. another train traveled at 10 km per hour on same journey. What is the time spent of the second train? \n" ); document.write( "

Algebra.Com's Answer #570841 by TimothyLamb(4379) $\"\"$ $\"About$

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first train:
\n" ); document.write( "s = d/t
\n" ); document.write( "d = st
\n" ); document.write( "d = 20*3
\n" ); document.write( "d = 60 km
\n" ); document.write( "---
\n" ); document.write( "second train:
\n" ); document.write( "t = d/s
\n" ); document.write( "t = 60/10
\n" ); document.write( "t = 6 hours
\n" ); document.write( "---
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