prompt: Vanessa wants to buy a dress she saw at the mall, which costs $80, and she already has $20 in savings. Her parents give her $30 every week, but she also spends $10 each weekend at the arcades. How many weeks will she have to wait until she can gather enough money to buy the dress?
messages.content: Vanessa wants to buy a dress she saw at the mall, which costs $80, and she already has $20 in savings. Her parents give her $30 every week, but she also spends $10 each weekend at the arcades. How many weeks will she have to wait until she can gather enough money to buy the dress?
messages.role: user
messages.content: Vanessa needs $80 – $20 = $<<80-20=60>>60 to buy the dress.
  She manages to gather $30 - $10 = $<<30-10=20>>20 each week
  The number of weeks she has to wait is 60 ÷ 20 = <<60/20=3>>3 weeks.
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messages.role: assistant