Doug purchases a desk chair priced at $40. With sales tax, the total comes out to $42.80. What is the sales tax price?

Verified Answer :

Not sure but i think it is $2.80. double check my answer with some one else.

The grand total of the chair and tax = 42.80 !
You know the price of the chair is for sure $40.00.
So. 42.80
-40.00
------------------
$
2.80 is what you paid in sales tax.