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.

The equation has to look like this format:? (?-?) = ?

You can use any of these numbers to fill in the equation: 4, 10, 75, 300, 450, b

Question

Mathematics

Haylee Li

16 July, 02:24

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.

The equation has to look like this format:? (?-?) = ?

You can use any of these numbers to fill in the equation: 4, 10, 75, 300, 450, b

+1

Answers (1)

Know the Answer?

Keshawn Mendoza · Answer 1

B is the number of books.

She does not have to pay for 4 books, so the number of books she will pay for is b - 4.

Each book costs $75, so b - 4 books cost 75 (b - 4).

75 (b - 4) = 450