{
    "hints":  [
                  {
                      "text":  "Find the length and width of rectangle EFGH from the diagram.",
                      "level":  1
                  },
                  {
                      "text":  "Add the length and width, then double the result (perimeter = 2 x (L + W)).",
                      "level":  2
                  },
                  {
                      "text":  "L + W = 1 1/3, so perimeter = 2 x 1 1/3 = 2 2/3.",
                      "level":  3
                  }
              ]
}