Answer:
The percent of tax Edgar was charged is 8%.
Explanation:
Given:
Edgar purchased an item from a store. The price of the item was $20.00. After tax was included, the total price of the item was $21.60.
Now, to find the percent tax edgar charged.
The price of item = $20.00.
The price of item included with tax = $21.60.
So, the amount of tax is:


Thus, the tax = $1.60.
Now, to get the percent of tax:



Therefore, the percent of tax Edgar was charged is 8%.