The customer payed a total of $64.95.
To find this answer, you first find the 20% addition to the $50 price. To do so, you divide 20 by 100 to get 0.20, then multiply 50 by 0.20.
Next, you add 10 to 50, to account for the 20% addition.
Now, we follow the same steps, but instead of 20%, we use 8.25%. Divide 8.25 by 100 to get 0.0825. Multiply 0.0825 and 60.
Finally add 4.95 to 60 to get your final answer of $64.95.
I hope this helps!