A recipe for 9 blueberry muffins calls for 1 cup of flour. The number of muffins that can be made varies directly with the amount of flour used. There are 2 and one third cups of flour available. How many muffins can be made?
With 1 cup of flour, you can make one batch. With 2 cups of flour, you can make two batches. With having an additional 1/3 cup of flour, you can make 3 more muffins from this.
