Cooking with Math

Blini Recipe

4 cups all-purpose flour
2 cups buttermilk
1 egg
Half teaspoon salt
1 tablespoon sugar
Half to 1 cup warm water
Half cup sunflower oil for frying

The above blini recipe will feed 4 to 6 people. If 12 people are coming for breakfast, you will need to double the recipe. How much will you need of each ingredient? Explain your thinking.

Now triple the recipe. How much will you need of each ingredient?
Explain your thinking.