Please help!!

Sean needs to read a book that is 374 pages long. The graph shown at the right shows his progress over the first 8 hours of reading. If he continues to read at the same rate how many hours total will it take for Sean to read the entire book?

A. 15 hours
B. 17 hours
C. 19 hours
D. 21 hours​

Please helpSean needs to read a book that is 374 pages long The graph shown at the right shows his progress over the first 8 hours of reading If he continues to class=