Solution:
Total pages= 603
Pages read = 288
Remaining pages to be read = 603 - 288 = 315
The dead line is 14 days, she has already read for 9 days . So she has (14 - 9) = 5 days left to complete the remaining 315 pages
Thus, she must read 315/5 = 63 pages per day.
The answer = 63 pages per day
