[
  "Find how much further by subtracting the morning distance from the evening distance. Draw a bar model comparing the two distances, with the difference as the unknown.",
  "5 7/10 - 4 1/2 = 57/10 - 45/10 = 12/10. Simplify: 12/10 = 1 2/10 = 1 1/5.",
  "He jogged 1 1/5 km further in the evening. Answer: 1 1/5 km (option C)."
]