Answer:
0.2 Cup per serving
Explanation:
Mia used 4.5 cups of orange juice in a punch that serve 6 people.
Mia's Serving of orange juice per serving=4.5/6=0.75 cup per serving
Isaac used 2.75 cups of orange juice in a punch that serves 5 people.
Isaac's Serving of orange juice per serving=2.75/5=0.55 cup per serving
Difference of orange juice in cup per serving=0.75-0.55=0.2 cup per serving
There was 0.2 cup more orange juice in one serving of Mia's punch.