Total time for whole journey would be 3 hours.
The total trip is divided into three intervals :-
Hence to find the total time of the trip we need time taken in each interval and just add them up.
The final expression would be :-
Total time taken = Time taken by bus + Time taken by train +
Time taken to change between them
Given:-
Thus Total time for whole journey would be 3 hours.
Learn more about total time questions here :
https://brainly.com/question/1403172
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