WILL UPVOTE PLEASE HELP
Question 4:

Ellen wants to purchase a book that is regularly priced at $18. The book is discounted 15%. She also needs to pay a 6% sales tax on the discounted price.

What is the total amount Ellen will pay for the book?

Enter your answer in the box.

Respuesta :

What you need to do is subtraction then adding 
I got $16.22 including tax