Answer:
You have to read 4 or more books per month.
Explanation:
Given that:
Number of months to read the books = 17 months
Number of books to read = 68 at least
Number of books per month = x
The inequality for the situation is;

Dividing both sides by 17

x ≥ 4
Hence,
You have to read 4 or more books per month.