Question 1011078
Convert seconds to hrs
[ seconds ] x [ min / sec ] x [ hrs / min ] = hrs
{{{ 12*( 1/60 )*( 1/60 ) = 12/3600 }}}
{{{ 12/3600 = 1/300 }}}
{{{ d = r*t }}}
{{{ d = 120*(1/300 ) }}}
{{{ d = 2/5}}}
The train is .4 km or 400 m long