2. Sales Tax
Lesson 8-5

3. Sales tax and discount
Sales tax - is an additional amount of money charged on items people buy. The total cost is the regular price plus the sales tax.

4. Sales Tax For example if:
The combined sales tax rate for Durham, NC is 7.5%

5. Sales Tax: Finding the total cost.
A pair of shoes cost $90, and the sales tax is 7.5%. What is the total cost of the shoes?
First find the amount of sales tax.
7.5% of 90 =
7.5% x 90
$6.75
(This is the amount of tax being charged on the sale. So to find the total cost we add the tax to the original price.)

6. Sales Tax: Finding the total cost.
Add the sales tax to the original price.
90 + $6.75 =
$ is the total cost of the shoes.

7. You Try! Remember two steps: 1. Find sales tax amount
A set of golf balls sells for $20, and the sales tax is 5.75%. What is the total cost?
Remember two steps:
1. Find sales tax amount
2. Add the sales tax amount to the original price to get total price.

8. Sales Tax
A set of golf balls sells for $20, and the sales tax is 5.75%. What is the total cost?
5.75% of 20
5.75% x 20 =
$1.15
$20 + $1.15 =
$21.15
Add the sales tax to the original price.

9. Formula for Total Cost
Multiply then Add

10. Sales Tax
Your Turn:
A video game system cost $130 and the sales tax is 6.5%. What is the total cost of the video game system?

11. Calculating sales tax from Total
Subtract then Divide

12. Let check our worksheets
Activity