Answer:
Leila uses up 6 pages.
Explanation:
What you are supposed to do is division.
36 ÷ 6 = 6
6 on the first page.
6 on the second page.
6 on the third page.
6 on the fourth page.
6 on the fifth page.
6 on the seventh page.
If you add the six 6's you get 36.
6+6+6+6+6+6=36