How many degrees are in one fourth of a circle

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. !

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48