A book has 250 pages. Person A reads 6 pages in an hour. Person B reads 8 pages in an hour. There are two chapters of 72 pages together that are difficult for person B to read in the book, so person B takes double the time to read those pages. Who among them will finish the book first and how much sooner than the other?
1
Person A, 1 h 35 min
2
Person B, 1 h 25 min
3
Person B, 1 h 35 min
4
Person A, 1 h 25 min