Answer:
Let the number of books she can purchase = b
The cost of each book is $5.5 with an extra shipping of $7.5
So, the total cost of the books she can purchase =
Since, she had $65 to spend on the books.
The required inequality is .
So, according to the inequality above, we get,
The correct options are,
B. The inequality symbol is incorrect because she can spend up to and including $65.
C. The expression is correct because $5.50 per book is
and that is added to the shipping fee of $7.50 to determine the total purchase price.