63 pages
1) Considering that the pace of that reading is 9 pages per week, in a constant way we can write out these ratios to find out how many pages does she read in 7 weeks
Week pages
1 9
7 x
2) Cross multiplying it we have:
x = 7*9
x = 63 pages
3) Hence, in 7 weeks She reads 63 pages
