A train traveling at a speed of 75 mph enters a tunnel 31/2 miles long. The train is 1/4 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?
Options:
A. 2.1 min B. 3 min
C. 3.5 min D. 3.9 min
Answer: B
Explanation:
Options:
A. 2.1 min B. 3 min
C. 3.5 min D. 3.9 min
Answer: B
Explanation:
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