There were 11 apples.

There are four people, Andy, Bob, Chris, and Don who ate the 11 apples.

Andy, Bob, Chris, and Don each ate at least 1 apple, and all of them know this.

Andy says, “Bob, did you eat more than I did?”

Bob replies, “I don’t know. Chris, did you eat more than I did?”

Chris replies, “I don’t know”

After hearing this conversation, Don was able to figure out exactly how many each person ate.

How many apples did each person eat?