book is 24 dollars. Ben pays 25.02. what is sales tax rate.

[latex]25.02-24.00=x[/latex] [latex]1.02=x[/latex] [latex]24.00(x)=1.02[/latex] [latex]24x=1.02[/latex] [latex] \frac{24x}{24} = \frac{1.02}{24} [/latex] [latex]x=0.0425[/latex] Sales tax rate is 4.25&