Answer:

Explanation:
She can buy x illy flowers, and each illy flower costs $11.
She wants to buy a pair of red rose flowers for $18 and spend the rest on lly flowers. Each lily flower costs $11.
This means that the total amount she will spend is:

Amanda has $40 to spend on flowers.
This means that her total spending can be at most $40, which means that:

This is the inequality that models this situation.