The journey takes 2.75 hrs of time.
What is the required time ?
We know that, if distance travelled by an object be d unit and it takes t unit time to travel this distance,
Then speed of that object(v) = Distance(d)/time taken(t)
i.e. v = d/t
Now we have to find the total time of the journey,
then the formula becomes, t = d/v
According to the problem,
Distance travelled by the bus (d) = 66km
Speed of the bus when it travels (v) = 24 km/h
∴ Time(t) = 66/24 hours = 33/12 hrs = 2.75 hrs
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