craig used the diagram to computer the distance from Ferris to Dunlap to butte, how much shorter is the distance directly from Ferris to butter than the distance craig found?
It is not possible to answer without seeing the diagram or having more information about the distances involved.
To determine the difference in distance between Ferris to Butte directly and the distance Craig found using the diagram, we need to know the distance that Craig found. Unfortunately, the given information does not provide the distance found by Craig in the diagram.
