Their running paths form the legs of an isosceles right triangle. The hypotenuse of such a triangle (the distance between Steve and Scott) is √2 times the length of one leg. Each has run 10 miles in the hour since they split.
They are running at 10 miles per hour.
Answer:
It is C. Just look at the farthest points, and those are the numbers in your inequality.
I believe that the answer is 2.