I Believe the mean would would 60 degrees Fahrenheit
I cant see the picture :(
The answer is 1 Bcuz u have to first plug in -4 for f then solve the equation by adding like terms and dividing
8 / 2 = 45 / x....8 servings to 2 cups = 45 servings to x cups
cross multiply
(8)(x) = (2)(45)
8x = 90
x = 90/8
x = 11 1/4 (or 11.25) cups of flour are needed <==