Answer:
10 mi
Step-by-step explanation:
In this question you have to use Pythagorus Theorem. a²+b²=c²
a = 15
b = 20
So, 15²+ 20² = c²
= 225 + 400 = 625
So Ferris to Butte is which is 25.
So now you would do 15 + 20 to find out Wayne's distance. 35 - 25 = 10.
Hope it made sense and I didn't waffle