[
  "Draw a bar model: At first, Ken = 3 units, Frans = 8 units. After Frans spends $48, Ken is 1/2 of Frans.",
  "3u = 1/2 x (8u - 48). Multiply by 2: 6u = 8u - 48. So 2u = 48, 1 unit = 24.",
  "Ken = 3 x 24 = $72. Frans = 8 x 24 = $192. Answer: Ken $72, Frans $192."
]