[
  "Find how many oranges are rotten first, then subtract from the total to find how many are not rotten.",
  "Rotten = 3/8 x 24 = (3 x 24) / 8 = 72/8 = 9. Not rotten = 24 - 9 = 15.",
  "15 oranges are not rotten. Answer: 15."
]