Final answer:
The book report is worth a certain percentage of the Unit Test score.
Step-by-step explanation:
In English class, the book report is worth a certain percentage of the Unit Test score. The specific percentage will depend on the grading rubric set by the teacher. For example, if the book report is worth 25 points and the Unit Test is out of 100 points, then the book report would be worth 25% of the Unit Test score.