Answer: 
Step-by-step explanation:

f of g of x means "function f, replace x by the value of g of x"

What are the statements? We need that to help you!
It is 12%. This is because if you divide 3 into 25, you get 0.12. In conclusion, it would be 12%.
Substitute 50 loaves into the given equation
y= cost to make 50 loaves
y= 0.80x + 100
y= 0.80(50) + 100
multiply first, then add
y= 40 + 100
y= $140 cost to make 50 loaves
Hope this helps!