Help please Which do you think it is

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. !

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Use the data on the dot plot to answer the question. how many people read for more than three hours last week? i'm on a unit test review