Question

if the speed of an aeroplane is decreased by 120 kilometre per hour it takes 18 minutes more to travel some distance if the speed is increase by 180 kilometre per hour it takes 18 minutes less to travel the same distance find the average speed of the aeroplane and the distance

Answer 1

Answer:

Plz note that the distance covered is wrong here is the right answer

Distance covered = 720*90/60

= 360*3 = 1080km