Answer:
45 cups
Explanation:
Total number of guests= 75 guests
9 cups of flour are sufficient to server the number of guests= 15 guests
Or
15 guests are served by number of cups of flours= 9 cups
1 guest is served by number of cups of flours =

75 guests will be served by number of cups of flours=
Ă— 75
The number of cups required for making corn bread recipe for 75 guests = 45 cups.
Hence, the correct answer is 45