prompt: Sara’s house is 100 square feet larger than 2 times Nada's house. If Sara's house is 1000 square feet, how many square feet is Nada's house?
messages.content: Sara’s house is 100 square feet larger than 2 times Nada's house. If Sara's house is 1000 square feet, how many square feet is Nada's house?
messages.role: user
messages.content: Let the number of square feet in Nada's house be y.
  2y + 100 = 1000.
  2y = 900.
  Meaning, y= <<450=450>>450 square feet.
  #### 450
messages.role: assistant