prompt: Gail has some bills in her wallet which amount to $100. She has four $5 bills and three $20 bills, and the rest are $10 bills. How many $10 bills are in her wallet?
messages.content: Gail has some bills in her wallet which amount to $100. She has four $5 bills and three $20 bills, and the rest are $10 bills. How many $10 bills are in her wallet?
messages.role: user
messages.content: Four $5 bills amount to $5 x 4 = $<<5*4=20>>20.
  Three $20 bills amount to $20 x 3 = $<<20*3=60>>60.
  So Gail's $5 and $20 bills amount to $20 + $60 = $80.
  Thus, her $10 bills amount to $100 - $80 = $20.
  Therefore, she has $20/$10 = <<20/10=2>>2 $10 bills.
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messages.role: assistant