Chapter 7 - Section 7.5 - Percent and Problem Solving: Sales Tax, Commission, and Discount - Exercise Set - Page 512: 11

485 dollars

sales tax = tax rate $\times$ purchase price 24.25 = 5% $\times$p write 5% as 0.05 24.25 = 0.05 $\times$p divide both sides by 0.05 $\frac{24.25}{0.05}$=$\frac{0.05\times p}{0.05}$ $\frac{2425}{5}$=p p = 485 dollars