If a video game cost $27.05 at the register and it was marked $24.99, how much was the sales tax. round to the nearest whole percent

In order to find the sales tax, we first need to see how much more 27.05 is than 24.99.  We do this by subtracting 27.05-24.99 = 2.16.

Now, we need to find what percent of 24.99 2.16 is.  We do this by dividing 2.16 by 24.99 then multiplying the result by 100.

(2.16/24.99)*100 = 9, so there was a 9% sales tax.