Question 889443
 A train is travelling at the speed of 96 kilometres per hour.
 It takes 3 seconds to enter a tunnel and 30 seconds more to pass through it completely.
 What is the length of the train and the tunnel."
:
Find how long the train is, taking 3 sec to enter the tunnel
Change 96 km to m/sec
{{{96000/3600}}} * 3 = 80 meters long
:
Find the length of the tunnel
{{{96000/3600}}} * 33 = 880 meters long