conversations.from: human
conversations.value: Amalia can read 4 pages of her book in 2 minutes. How many minutes will it take her to read 18 pages of her book?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: Amalia can read 1 page in 2/4 = 0.5 minutes.
  Hence, she can read 18 pages in 18 x 0.5 minutes = 9 minutes.