Teagan believes she can use a division expression to find the amount of pizza each of 6 friends will eat if they share Four-fifths of a pizza. Which statement best explains why Teagan is correct or incorrect?

Teagan is correct in using a division expression because Four-fifths is less than 1.

Teagan is correct in using a division expression because the question is about splitting a value into equal parts.

Teagan is incorrect in using a division expression because the term "of" in a math problem implies multiplication.

Teagan is incorrect in using a division expression because the total amount of pizza eaten is unknown.