Question 709228
The front of the train has to travel 1 mile to get through the tunnel
then the end of the train has to travel 1 mile.
That's 2 miles of travel to go through.
{{{ 2 = 30t }}}
{{{ t = 2/30 }}}
{{{ t = 1/15 }}} hrs
{{{ (1/15)*60 = 4 }}} min
It takes the train 4 minutes to get through the tunnel