Answer:
Average speed of passenger jet

Step-by-step explanation:
Let s be the average speed of the passenger jet.
Given:
Distance from one airport to another airport

Total time taken

We need to find the average speed of the passenger jet.
Solution:
Average speed formula:
The ratio of the total distance travelled by the object to the time taken to cover that distance.


Substitute total distance and time value in above equation.


Therefore, the average speed of the passenger jet is
.