rory has a recipe for chocolate cupcakes. She uses 4 1/2 cups of flour to make 12 cupcakes. Camryn will follow the same recipe. She will make c cupcakes using f cups of flour. Which of these equations represents the relationship between c and f?
A. C = 8/3 f
B. c = ⅘ f
C. C = ⅜ f
D. C = 5/4 f