Answer and Step-by-step explanation:
The answer is C.
[tex]\frac{1}{4} = \frac{2}{8}\\\\[/tex]
Each friend will be receiving [tex]\frac{2}{8}[/tex] of a pizza.
[tex]\frac{7}{8} - \frac{2}{8} - \frac{2}{8} - \frac{2}{8} = \frac{1}{8}[/tex]
You can't give someone [tex]\frac{1}{8}[/tex] of a pizza, and you can't have half of a friend, so that one remains uneaten. This means that you give pizza to 3 friends.
