Mary has a recipe for cranberry bread. she uses 6 and 2/3 cups of flour to make 2 loaves of cranberry bread.


Sue will follow the same recipe. She will make b loaves of cranberry bread using f cups of flour.


Which of these equations represents the relationship between b and f?


1. b= 3/7 f


2. b= 7/3 f


3. b= 3/10 f


4. b= 10/3 f