A book has 8 chapters. Beth has read 2 chapters in 3 hours. If she continues reading at that rate, in how many hours will she be able to finish reading the remaining chapters? Give me reasons, before answering the question

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Beth still needs to read 8 - 2 = 6 chapters. She can read 1 chapter in 3 / 2 = 1.5 hours. Therefore, she will be able to finish reading the remaining chapters in 1.5 x 6 = 9 hours. So the final answer is 9.