[
  "When subtracting a whole number from a decimal, only the ones part changes. The tenths stay the same.",
  "3.4 has 3 ones and 4 tenths. Subtract 2 from the ones: 3 - 2 = 1. The tenths remain 4.",
  "3.4 - 2 = 1.4. Answer: 1.4."
]