Yes, a train problem! Please explain!?
A train traveling at 30 miles per hour reaches a tunnel which is 9 times as long as the train. If the train takes 2 minutes to completely clear the tunnel, how long is the train? (I mile = 5,280 feet) Explain your answer please
More Questions From This User See All
Answers & Comments
Verified answer
if x = length of train,
then the front of train must travel 11x in 2 min from the moment it first enters tunnel until the end of the train leaves the tunnel at the other end.
the rest is making sure the units cancel correctly:
2 min / 11 * 5280 ft / mi * 30 mi / hr * hr / 60 min = x
480 ft = x