[
  "Draw a bar for the tray of eggs. Split into 3. Cakes use 1/3. 2/3 of the eggs remain.",
  "Cookies use 1/4 of the remainder: 1/4 x 2/3 = 2/12 = 1/6 of the original eggs.",
  "1/6 of the eggs were used to bake cookies. Answer: 1/6."
]