Question

In Chad's reading class, all the students are reading the same book. The school bought each student a book at $7 per book. If there are 27 students in Chad's class, which of the following expressions could not be used to calculate the total cost?

7(20) + 7(7)
7(30) - 7(3)
7(30) - 7(7)
plz actually answer it

Answer 1

Answer: A

Step-by-step explanation:

Answer 2

Answer:

7(30) - 7(3); this expression cannot be used to calculate the total cost.