Answer:
12.
Step-by-step explanation:
- - Sole:

Final answer:<span>0.004</span>
For this case we have that the original price of the book is given by:
$ 19.75
The customer has a coupon to save part of the price of the book.
Therefore, the customer will pay

Where,
x: value of the customer coupon.
We know that the customer has a coupon that has a value of $ 4.50.
Substituting values we have:

Answer:
she will pay for the book 15.25 $
Answer:
Answer is B
Step-by-step explanation:
Just gotta find the mutliplaction between them
Givw brain now :)