Answer:

Recipe A:
Cups of flour used = 3
Rolls made = 12
Cups of flour per roll

Recipe B:
Cups of flour used = 5
Rolls made = 24
Cups of flour per roll

Recipe C:
Cups of flour used = 11
Rolls made = 48
Cups of flour per roll

Now compare Recipe A, B & C.

Recipe A > Recipe C > Recipe B.
✏ So, Recipe A used the most cups of flour per roll (option a).
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
