1) The answer is d < 19
The total cost of the pencils and the notebook is more than $16. Hayden cannot spend more than $19 on a binder.
2) The answer is w > 2.3
Each book, w, on the shelf must be 2.3 pounds or heavier.
3) 2 < x
The arrow is pointing to the right of 2. So x has to be bigger than 2.