Answer:
.
Explanation:
We have been given a word phrase. We are asked to represent the given word phrase into an inequality.
The difference of a number v and 1 would be
.
We have been given that Thirteen is at least the difference of a number v and 1. This means that 13 is greater than or equal to
. We can represent this information in an inequality as:

Therefore, our required inequality would be
.