You want to purchase a camera for $122.89. the sales tax rate is 7.25%. how much money do you need for your purchase, including sales tax?

To find this, multiply $122.89 by 0.0725.
This comes to 8.91, which will be the amount of tax.
You then can add $122.91 (price of camera) to $8.91 (sales tax).
The total amount of money you need for the purchase, including sales tax, is $131.82

I’d say letter a..