Please help me this is a timed test :( will mark brainliest when it pop up on my end be geniune and no scamming or links

Do not comment if you aren’t going to . create a real-life situation and create a system and show how it might be modeled algebraically with a system of equations (or inequalities) show all work include a few sentences explaining the situation, your variables of choice and what each represents, and how you would set it up and solve it algebraically. !

How do you find principle and simple interest

Iam at home. /: i am playing video games. translate the following statement into symbolic form.