Frank was reading through his favorite book. The book had 3 chapters, each with the same number of pages. It has a total of 594 pages. It took Frank 607 days to finish the book. How many pages are in each chapter?
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We know that the book has a total of 594 pages, and that it took Frank 607 days to finish the book. 

That means that Frank read an average of 594/607 pages per day. 

Now, we know that the book has 3 chapters, each with the same number of pages. 

That means that the average number of pages per chapter is 594/3. 

Therefore, each chapter has 198 pages.