The given recipe for 1 dozen biscuits is
• 2 cups of flour.
,• 1 cup of shortening.
,• 1 cup of milk.
Now, we have to multiply each number by 3 in order to triple the recipe. So, the recipe for 3 dozens is
• 6 cups of flour.
,• 3 cups of shortening.
,• 3 cups of milk.