{
  "problem": "In history class, the girl to boy ratio is $3$ to $2$. If there are a total of $10$ students, how many boys are there?",
  "hints": [
    "A ratio of",
    "$3$",
    "girls to",
    "$2$",
    "boys means that a set of",
    "$5$",
    "students will have",
    "$3$",
    "girls and",
    "$2$",
    "boys.",
    "A class of",
    "$10$",
    "students has",
    "$2$",
    "sets of",
    "$5$",
    "students.",
    "Because we know that there are",
    "$2$",
    "boys in each set of",
    "$5$",
    "students, the class must have",
    "$2$",
    "groups of",
    "$2$",
    "boys each.",
    "There is a total of $4$ boys in history class."
  ]
}
{'source': 'AMPS', 'file': 'amps/khan/451/1608124955.json'}