# Two planes left an airport at noon. One flew east at a certain speed and the other flew west at twice the speed. The planes were 2700 mi apart in 3 h. How fast was each plane flying?

##### 1 Answer

Jan 20, 2016

If we call the speed of the first plane

#### Explanation:

So the distance between the planes will get greater by

So in three hours their distance will be:

So

And the other plane had twice that speed: