1. Discount

2. EX1)A stereo’s regular price is $430. The store is running a sale with a discount of 10%. Find the sale price Step 1Change % to decimal Step 2Multiply decimal and cost 10% = 0.1 430 0.1 X = 43 Step 3subtract product from original cost 430 - 43= $387 Round to hundredths if necessary Method 1

3. EX2)Find the sale price of an item priced $125 with a discount of 25%. 100% - 25% = 75% 125 0.75 X = 93.75 Step 1 Change % to decimal Step 2 Multiply decimal and cost Step 3 Round to hundredths if necessary Method 2 Subtract percent of discount from 100% 75% = 0.75 Step 4 $93.75Sale Price =

4. EX3)A cell phone usually sells for $350, but is on sale for 30% off. What is the total cost of the cell phone with a tax of 7%? 30% = 0.3 350 0.3 X = 105 350 - 105= 245 Step 1 Find the tax on the sale price. Step 2 Find final costStep 3 Round to hundredths if necessary Find the discounted price. Step 4 = $245 Sale Price 245 7% = 0.07 0.7 X = 17.15 245 + 17.15= 262.15 $262.15Final Cost =

5. Essential Question What is the difference between sales tax and discount?

6. Assignment Look for ws

7. Discount Date _______________

8. EX1)A stereo’s regular price is $430. The store is running a sale with a discount of 10%. Find the sale price Step 1Change % to decimal Step 2Multiply decimal and cost Step 3_______ product to original cost Round to hundredths if necessary Method 1

9. EX2)Find the sale price of an item priced $125 with a discount of 25%. Step 1 Change % to decimal Step 2 Multiply decimal and cost Step 3 Round to hundredths if necessary Method 2 _______ percent of discount from 100% Step 4

10. EX3)A cell phone usually sells for $350, but is on sale for 30% off. What is the total cost of the cell phone with a tax of 7%? Step 1 Find the ____ on the _____ ____. Step 2 Find final costStep 3 Round to hundredths if necessary Find the _________ price. Step 4

11. Essential Question What is the difference between sales tax and discount?