Answer: The required percentage is 33.02%.
Step-by-step explanation: Given that a bookstore owner is having a sale. The book Bart wants was originally priced at $14.99 the book is now $10.04.
We are to find the percentage by which the price was reduced.
The price by which the price of the book reduced is given by
R.P. = $(14.99 - 10.04) = $4.95.
Therefore, the percentage by which the price of the book reduced is given by
![P=(4.95)/(14.99)* 100\%\\\\=33.02\%](https://img.qammunity.org/2020/formulas/mathematics/middle-school/43ndwk163l00v2r1l615k1ctsn5dmpz1zj.png)
Thus, the required percentage is 33.02%.