What is the next symbol?

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. !

What is the ratio of the length of an object in yards to the length of the same object in miles?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?