An airplane flies at the average speed

of 750km/h.

What is the duration of 1125km flight?

1 and a 1/2 hours

Basic explanation:

1125/750 equals 1.5. This means that the duration of the flight is 1.5 hrs.

1 hour thirty minutes

Step-by-step explanation:

1125-750=375 this is the remaining distance after one hour of flying

375/750=.5 take the remaining distance and divide it by how fast you are

flying.