$2.40 for 3 watermelons

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. !

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

What is the value of the expression below? 148+(-6)| + |– 35= 7|