What are the steps to 43,021 -835.6?

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. !

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)