SOLUTION STEPS (Set 7):
  1. Find the step: subtract two consecutive terms (0.15 - 0.1 = 0.05).
  2. Keep adding 0.05: 0.25 + 0.05 = 0.3, then 0.3 + 0.05 = 0.35.
  3. The missing numbers are 0.3 and 0.35.