1. Discounts, Sales Tax and Tip

2. What would the sale price be for a pair of pants that cost $48.00 after a 30% discount is given? Step 1: change the % into a decimal30% = 0.30 or 0.3 Step 2: multiply the cost of the item by the decimal from step 1 48 X 0.3 $14.40 Step 3: since you are taking a discount, you will subtract the discount from step 2 from the cost of the item you are buying 48.00 -14.40 The sale price of your pants is $33.60 33.60

3. What would the final price be for a pair of pants that cost $48.00 after a 30% discount is given and 7% sales tax is applied? Step 4: change the % into a decimal7% = 0.07 Step 5: multiply the sale price of the item by the decimal from step 4 33.6 X 0.07 $2.3520 Step 6: since you are figuring out the sales tax, you will add the sales tax from step 5 to the sale price of the item you are buying 33.60 + 2.35 $2.35 The final price of your pants is $35.95 35.95

4. What would the sale price be for a pair of shoes that cost $60.00 after a 15% discount is given? Step 1: change the % into a decimal15% = 0.15 Step 2: multiply the cost of the item by the decimal from step 1 60 X 0.15 $9.00 Step 3: since you are taking a discount, you will subtract the discount from step 2 from the cost of the item you are buying 60.00 - 9.00 The sale price of your shoes is $51.00 51.00

5. What would the sale price be for a pair of shoes that cost $60.00 after a 15% discount is given and a 7.8% sales tax is applied to the cost? Step 4: change the % into a decimal7.8% = 0.078 Step 5: multiply the sale price of the item by the decimal from step 4 51 X 0.078 $3.978 Step 6: since you are figuring out the sales tax, you will add the sales tax from step 5 to the sale price of the item you are buying 51.00 + 3.98 $3.98 The final price of your shoes is $54.98 54.98

6. Jaime and her friends just had dinner at On The Border. The bill came to a total of $43.84 If they decide to leave a 15% tip, then how much of a tip would they be leaving? Step 1: change the % into a decimal Step 2: multiply the cost by the decimal from step 1 15% = 0.15 43.84 X 0.15 $6.576 $6.58 How much of a tip is the group leaving? $6.58 How much did their dinner cost including the tip? $ 43.84 + $6.58 $ 50.42

7. CMSCMS CMACMA Change Multiply Subtract To find a discount Change Multiply Add To find sales tax or to find tip