Answer:
1. Time: Second
2. Length: Meter
3. Mass: Kilogram
4. Temperatur: Kelvin
Explanation:
...
Given
distance traveled by Passenger train is
distance traveled by Freight train is
Both take same time to travel
suppose speed of freight train is x mph
so speed of passenger train is 20+x mph
we know time
speed of passenger train
mhm
The answer is c 00.095