Step 1) You first multiply the price of the shoes by the sales tax rate [45.90 x .05].
Step 2) Once you find this number [2.295], add it to the price [45.90 + 2.295].
Step 3) You should get 48.195 which you can round up to 48.20.
If this helped and you have any other questions, feel free to comment on my wall. Hope this helped.