Answer:
![x+y\ge 80](https://img.qammunity.org/2021/formulas/mathematics/high-school/e0ge7haj44c2xzfxrdooglidse1u3nvn4m.png)
Explanation:
Given that,
Kristina has $400 to spend on shirts and gym shorts for a fundraiser for her schools soccer team.
Let he brought x t-shirts and y gym shorts.
ATQ,
She needs to buy a total of at least 80 items without buying too much of one item. The inequality that represents the above scenario is as follows :
![x+y\ge 80](https://img.qammunity.org/2021/formulas/mathematics/high-school/e0ge7haj44c2xzfxrdooglidse1u3nvn4m.png)
Hence, this is the required solution.