Answer:
4%
Step-by-step explanation:
As, some rate of $320 will give u 12.80
Now to find the percentage u always use this procedure :
Sales tax value = 12.80 divided by the the total cost ( $320) multipled by hundred
So 12.80/320 x 100 = 4
So 4%
This method help me alot in my solving skills
And used it everytime a question like this is given
So I hope u use it for such questions and u will get right with all hope!
Hope this helps!!
