You are preparing small and large cupcakes for the school bake sale. If you will need 1 3 a spoon of sugar for each small cupcake, and 1 2 a spoon of sugar for the large cupcake. If you need to make 30 small cupcakes and 20 large cupcakes, and you have a total of 21 spoons of sugar. Is this enough to make your cupcakes?