Which word problem best represents a tape diagram showing a total of 42, divided into 7 equal parts, with the question asking for the value of 4 of those parts?

Maria has 42 dollars. She spends $\frac{4}{7}$ of her money on a book. How much did the book cost?

A baker has 42 cupcakes and sells 4 of them. How many cupcakes are left?

There are 42 students in a class. If $\frac{4}{7}$ of them are boys, how many girls are in the class?

John ran 4 miles, which is $\frac{4}{7}$ of the total race. What is the total length of the race?

A bookshelf holds 72 books, and $\frac{5}{8}$ of them are fiction. Which statement describes the tape diagram for finding the number of fiction books?

Total is 72, divided into 8 units; find the value of 5 units.

Total is 72, divided into 5 units; find the value of 8 units.

Total is 72, divided into 8 units; find the value of 3 units.

Total is 8, divided into 5 units; find the value of 72 units.