The tail of a 1-mile long train exits a tunnel exactly 3 minutes after the front of the train entered the tunnel.  If the train is moving 60 miles per hour, how many miles long is the tunnel?
Question:
The tail of a 1-mile long train exits a tunnel exactly 3 minutes after the front of the train entered the tunnel.  If the train is moving 60 miles per hour, how many miles long is the tunnel?
Answer:
Let's think step by step.

user
2\text{ miles}
The tail of a 1-mile long train exits a tunnel exactly 3 minutes after the front of the train entered the tunnel.  If the train is moving 60 miles per hour, how many miles long is the tunnel?
train