Sabah has $450 to pay for college textbooks. She expects to pay about $75 per book.
Her friend told her that 4 of them can be checked out of the library for free
Complete the equation below to find the total number of books that Sabah can get for
her classes. Use b to represent the total books,
![Sabah has 450 to pay for college textbooks She expects to pay about 75 per book Her friend told her that 4 of them can be checked out of the library for free Co class=](https://us-static.z-dn.net/files/d9d/0229f32894636dd6435ad4072a714ac6.png)