A train travelling at a speed of 75 mph enters a tunnel 3 miles long. The train is mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?	Choose the correct option.
A) 2.5 min
B) 3 min
C) 3.2 min
D) 3.5 min
E) 3.8 min
Total distance travel by train is 4 miles   and speed of the train is 75 miles per hour   so time is distance by speed = (4/75) hours   den we should change to minits then (4/75)*60= 
<gadget id="calculator">(4/75)*60</gadget>
<output>16/5 = around 3.2</output>
3.2   ANSWER:3.2 min
<result>C</result>
A train travelling at a speed of 75 mph enters a tunnel 3 miles long. The train is mile long. How long does it take for the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?