{
  "question_id": 5100,
  "hints": [
    {
      "hint_level": 1,
      "hint": "She starts with $90."
    },
    {
      "hint_level": 2,
      "hint": "She spends n dollars."
    },
    {
      "hint_level": 3,
      "hint": "Money left = 90 - n."
    }
  ]
}