Recipe Adjustment

The recipe in the cook book has 4 servings. I want to serve 8. What is the Conversion factor?

My favorite recipe for cookies makes 3 dozen. I want to make 2 dozen. What is the conversion factor?

My taco salad recipe serves 4. I only need to serve 2. What is the Desired Yield?

My muffin recipe makes 2 dozen. I need to make 96 muffins? What is the Original Yield?

Which is the correct formula for determining the conversion factor?

My original recipe calls for 2 cup of flour for 1 loaf of bread. I want to make 3 loaves. How much flour will I use?

My original recipe calls for 1/4 cup oil. I need to cut the recipe in half. How much oil will I need listed in logical terms?

My converted recipe said I needed 3/8 cup sugar? What is the best way to measure that amount?

My original recipe for 1 cake calls for 1/2 cup of butter, but I need to make 8 cakes. How much butter will I need?

My original recipe needs 1 tsp. vanilla. How much vanilla do I need for to triple this recipe?