The equation
60y=390x represents the relationship between
x, the time that Plane A flies in minutes, and
y, the distance the plane flies in miles for Plane A. The graph represents the relationship for Plane B.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1661830/original_image48.png)
What is the difference in their average speed?
[Hint: Average speed = Slope of the distance-time graph
=Distance traveledTime taken]