{
    "hints":  [
                  {
                      "text":  "Look at the Executive row of the rate table. Find the adult price and child price.",
                      "level":  1
                  },
                  {
                      "text":  "Stewart and his wife are 2 adults. The three children (aged 4, 6, 13) all qualify for the child rate.",
                      "level":  2
                  },
                  {
                      "text":  "Add up: (2 x adult rate) + (3 x child rate) = .",
                      "level":  3
                  }
              ]
}