1. Multiple Discounts This presentation was created following the Fair Use Guidelines for Educational Multimedia. Certain materials are included under the Fair Use exemption of the U.S. Copyright Law. Further use of these materials and this presentation is restricted.

2. Multiple Discounts When finding multiple discounts, you must take the first discount off the original price, then take the second discount off your answer.

3. Example 1 A sweater that originally costs $50 was marked 30% off. The store is having a sale that gives an extra 20% off. Find the sale price. 50.30 = $15 off, so $35 35.20 = $7 off, so the final price is $28. NOTICE THAT THE FINAL PRICE WAS NOT 50% off the original price!!! You MAY NOT simply add the percents, then multiply!!!

4. Example 2 Find the final price of a pair of jeans that originally cost $60, were marked 35% off, and have 6% sales tax. 60.35 = $21 off, so the sale price is $39 $39 1.06 = $41.34

5. Example 3 Lily wants to buy a TV that originally cost $75 and is 20% off and a DVD player that was $50 originally and is 15% off. The sales tax rate is 5.5%. How much money does she need? TV: 75.20 = $15 off, sale price = $60 DVD: 50.15 = $7.50 off, sale price = $42.50 60 + 42.50 = 102.50, then add sales tax 102.50 1.055 = 108.1375 or $108.14

6. Example 4 Andrew bought a phone that had an original price of $100. It was 5% off and had 6% sales tax. How much did he pay with tax? 100.05 = $5 off. Sale price =$95 95 1.06 = $100.70

7. Example 5 Alex wants to buy a shirt that cost $56 originally and is 30% off and a pair of pants that cost $68 originally and is marked 25% off. The store is having a sale where customers can take an extra 20% off the entire purchase. If the sales tax is 6%, how much money does Alex need? 56.30 = 16.80 off, sale price = 39.20 68.25 = 17 off, sale price = 51 39.20 + 51 = 90.20 90.20.20 = 18.04 off, so 72.16 before tax 72.16 1.06 = 76.4896 or $76.49