20.6 divided by 9.7 is 2.12371134
C. 0.5625...you find the answer by dividing 6 by 19 :)
It's tedious to type out the formulas and it just looks messy. See the attached for an answer and explanation.
The problem is asking you how many tbsp of vanilla are needed to make 6 cups of icing. The vanilla ratio of the recipe is :1, so the answer would be 96 tablespoons. The one tells you that you only need one part for each (1:1)