Respuesta :

Answer:

600

Step-by-step explanation:

Sense 2 hours has passed you divide the amount of distance the plane has traveled by the amount of time it took. :)

Answer:

600 mph

Step-by-step explanation:

its the speed of the plane

the solution is distance travel which is 1,200 miles divided by the time 2 hours will be equal to 600 miles per hour (mph).