2. Students in the Physics & Astronomy Club are buying telescopes to watch the upcoming lunar eclipse. They found comparable telescopes, at the following prices, each either on sale or with a special pricing offer:
The item stem is also wordy and unclear. Buying a telescope for watching a lunar eclipse has little to do with savings. It is not necessary to have information of students not found in the choices. Naming the object to be purchased is also not necessary and makes the problem more complicated to understand.
3. A teacher needs help carrying a class set of textbooks to the department office. The teacher asks five students to carry the 35 books. If each student carried the same number of books, how many books did each student carry
4. The Johnsons are considering hiring an au pair for their child. One very good applicant requests a stipend of $800 per month and health insurance, which will cost them an additional $250 per month. Comparable daycare would cost them $300 per week. What is the cost difference between the au pair and daycare for a full year
The item contains a language bias. Use of the term au pair could be confusing vocabulary for certain students. The item can be framed using personal child care and day care service. The answer also reflects that personal baby care is cheaper compared to day care resulting in elitism bias.