Answer:
1 cup of sour cream is needed to serve 8 people.
Explanation:
- Since the servings is proportional to the cups of sour cream (s), we can determine how much sour cream is needed to serve 8 people using a proportion.
For the sake of the clarity, let's use the decimal 0.75 instead of 3/4:
6 servings / 0.75 cups = 8 servings / s cups
6/0.75 = 8/s
(8 = 8/s) * s
(8s = 8) / 8
s = 1
Thus, 1 cup of sour cream is needed to serve 8 people.