Mr Tokai is very particular in how he makes his coffee. He is completely inflexible in that he can only take 1 teaspoon of coffee with 2 teaspoons of sugar. Any more coffee or sugar given to him is discarded in his quest for the perfect coffee. Suppose you give him 9 teaspoons of coffee and 2 teaspoons of sugar. How many cups of coffee can he create from this?
1
1 cup of coffee
2
9 cups of coffee
3
2 cups of coffee
4
11 cups of coffee