prompt: You can buy 4 apples or 1 watermelon for the same price. You bought 36 fruits evenly split between oranges, apples and watermelons, and the price of 1 orange is $0.50. How much does 1 apple cost if your total bill was $66?
messages.content: You can buy 4 apples or 1 watermelon for the same price. You bought 36 fruits evenly split between oranges, apples and watermelons, and the price of 1 orange is $0.50. How much does 1 apple cost if your total bill was $66?
messages.role: user
messages.content: If 36 fruits were evenly split between 3 types of fruits, then I bought 36/3 = <<36/3=12>>12 units of each fruit
  If 1 orange costs $0.50 then 12 oranges will cost $0.50 * 12 = $<<0.5*12=6>>6
  If my total bill was $66 and I spent $6 on oranges then I spent $66 - $6 = $<<66-6=60>>60 on the other 2 fruit types.
  Assuming the price of watermelon is W, and knowing that you can buy 4 apples for the same price and that the price of one apple is A, then 1W=4A
  If we know we bought 12 watermelons and 12 apples for $60, then we know that $60 = 12W + 12A
  Knowing that 1W=4A, then we can convert the above to $60 = 12(4A) + 12A
  $60 = 48A + 12A
  $60 = <<60=60>>60A
  Then we know the price of one apple (A) is $60/60= $<<60/60=1>>1
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messages.role: assistant