The city of Bangor, Maine has a scale model of Paul Bunyan nearly 30 feet tall. The model's scale is 1:5. On the scale model, Paul Bunyan's belt buckle is 12 feet from the ground. In real life, how far from the ground is Paul Bunyan's belt buckle? The diameter of Paul Bunyan's actual head is 9 inches. What is the diameter of the Paul Bunyan's scale model head in feet?