Answer: See explanation
Explanation:
You didn't specify the number of friends which is missing in the question. To solve this question, we need to know the number of friends but let's assume that the number of friends are 6.
Since each friend ate 2/3 of a pizza and there are 6 friends, the total amount of pizza the frends ate will be:
== 2/3 × 6
= 4 pizzas