SOLUTION: a train that is 1 km long is moving along a straight track toward a tunnel that is 1 km long. The train travels @ 30 km/h. How many minutes does it take the train to go completely

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Question 337758: a train that is 1 km long is moving along a straight track toward a tunnel that is 1 km long. The train travels @ 30 km/h. How many minutes does it take the train to go completely through the tunnel?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Rate*Time=Distance
.
.
The train must travel 2 km before the entire train is out of the tunnel.
R%2At=D
30t=2
t=1%2F15 hr
t=4 minutes