the math club has a budget of $100 for a pizza party. the club can get large pizzas, x, for $12 and cases of soda, y, for $5.50. the club would like to buy at least 6 large pizzas and at least 4 cases of soda. which system models the situation?

What do YOU think ?
While we're happy to help, we wont do all the work for you.

Very basic algebra. You know your budget. What grade are you in, this is now 6 or 7th grade math.