Answer:
c. 0.4, 1/3, 25%, 1/10
Explanation:
Since you want greatest to least, any order that has increasing values will not work.
A: 1/3 < 0.35 . . . not in order
B: 32% < 1/3 . . . not in order
C: 0.40, 0.33, 0.25, 0.10 . . . in decreasing order
D: -3/10 < 15% . . . not in order