Question

the answer to the problem

Answer 1

7 and 1/2 cups makes 3 loaves
divide both sides by 3 (times 1/3 both sides)
(7/3) and 1/6 cups makes 1 loaf
(14/6) and 1/6 cups makes 1 loaf
14/6+1/6 cups=1loaf
15/6=1loaf
5/2 cups=1 loaf

so therefor

$b=\frac{5}{2}f$

answer is C