DISTANCE = RATE TIME RATE - DISTANCE/TIME
TIME = DISTANCE/RATE
The train journey from Offwego to Ellsware is a distance of 26 km
The train stops once en route: for 1 minute at Arwetheryet, 5 km from Offwego.
In both directions the train travels at an average speed of only 30 km/h between Offwego and Arwetheryet
because of a series of bends, but travels at a steady speed of 90 km/h along the straight track between
Arwetheryet and Ellsware,
Trains depart from Offwego and Ellsware every hour at exactly the same time.
How long after departure do the two trains pass each other?
O 12 minutes
O 116 minutes
13 minutes
. 12 minutes