Answer:
167
Explanation:
1. first lets find how many pages he reads in 1 week which would be
15 x 5 = 75 during the week days
2 x 25 = 50 during the weekends
75 + 50 = 125 pages in one week
2. Since he reads for 5 weeks
5 x 125 = 625 pages
r = 792 - 625
r = 167