prompt: Nadine collected different colored pebbles. She has 20 white pebbles and half as many red pebbles. How many pebbles does she have in all?
messages.content: Nadine collected different colored pebbles. She has 20 white pebbles and half as many red pebbles. How many pebbles does she have in all?
messages.role: user
messages.content: Nadine has 20/2 = <<20/2=10>>10 red pebbles.
  Thus, she has 20 + 10 = <<20+10=30>>30 pebbles.
  #### 30
messages.role: assistant