1. Slide 1 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Percent and Problem Solving: Sales Tax, Commission, and Discount Section7.5

2. Slide 2 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Sales Tax and Total Price Sales Tax and Total Price sales tax = tax rate · purchase price total price = purchase price + sales tax

3. Slide 3 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A gold and diamond bracelet sells for $1800. Find the total price if the sales tax rate is 6.5%.

4. Slide 4 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example The sales tax on an $18,500 automobile is $1665. Find the sales tax rate.

5. Slide 5 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Commission Commission commission = commission rate · sales

6. Slide 6 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A salesperson earned a commission of $3575 for selling $32,500 worth of books to various bookstores. Find the commission rate.

7. Slide 7 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A salesperson earns $645 for selling $4300 worth of appliances. Find the commission rate.

8. Slide 8 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Calculating Discount and Sale Price Discount and Sale Price amount of discount = discount rate · original price sale price = original price · amount of discount

9. Slide 9 Copyright © 2015, 2011, 2008 Pearson Education, Inc. Example A $2000 designer dress is on sale for 30% off. Find the discount and the sale price. continued

10. Slide 10 Copyright © 2015, 2011, 2008 Pearson Education, Inc. continued A $2000 designer dress is on sale for 30% off. Find the discount and the sale price.