A recipe requires only blueberries and strawberries. This list shows the amounts required for the whole recipe:

a) 1 cup of blueberries and 10 cups of strawberries
b) 1 1/3 cups of blueberries and 1 1/2 cups of strawberries
c) 2 cups of blueberries and 1 1/10 cups of strawberries
d) 2 cups of blueberries and 1 3/5 cups of strawberries