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**Discount- how much money is SAVED from original price**

Discount, Sale Price Original Price- the cost of the item before the discount is taken off Discount- how much money is SAVED from original price Sale Price- the price after the discount is taken Also referred to the discount price

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**A shirt is priced at 49. 99 and on sale for 20% off**

A shirt is priced at and on sale for 20% off. What is the sale price? 49.99 Original price Steps List original price and label it change % to a decimal and multiply by original price to get discount subtract discount from original price to get sale price X .20 9.9980 49.99 original 9.99 discount 40.00 sale price

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**I want to buy a pair of CLEAR shoes for 79**

I want to buy a pair of CLEAR shoes for and it is on sale for 25% off. Find the discount and sale price original price X .25 79.99 original price discount sale price

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**I want to buy a shirt for 29. 99 and pants for 39. 99**

I want to buy a shirt for and pants for Both are on sale for 33% off. Find the discount and sale price There are 2 ways to do this do each item separately add both items then take discount shirt pants 69.98 X .33 sale price discount sale price

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**We are buying an ipod 129. 99 on sale for 20% off**

We are buying an ipod on sale for 20% off. We also buy the skin for it on sale for 30% off. What is the sale price that I pay? This one has to be done separately Think that it should look like a receipt from any store 129.99 orig 19.99 orig x.20 x.30 discount 5.9970 discount orig dis 19.99 orig dis + sp 14.00 sp sale price

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**Now let’s talk about tax**

The type of tax we are going to use is called sales tax It is the amount of money ADDED to the sale price It is usually a different rate in every city

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**A jacket is 99. 99 and on sale at 25% off. The tax is 8%**

A jacket is and on sale at 25% off. The tax is 8%. Find the discount, sale price and the total 99.99 original price x .25 discount original price discount sale price X .08 6.00 tax 75.00 sale price tax 81.00 total To do tax Change % to a decimal Multiply to sale price to get tax This is also called subtotal which means the total before tax 3.Add tax to sale price to get total

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**A dvd player is 49.99 and on sale for 25%**

off. A home theater system is and also on sale for 30% off. Tax is what you pay in your area. What is the discount, sale price, tax, and total for this purchase? 49.99 original price original x .30 x .25 discount discount original discount original discount sale price sale price

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**280.00 sale price of home theater system**

sale price of dvd player subtotal For this problem we did 7 different problems to get this answer subtotal X tax rate 23.10 tax subtotal tax total

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SIMPLE INTEREST The amount of EXTRA money that someone charges or receives Used in the real world talking about loans, credit cards or savings accounts Joe wants to buy a television. The tv costs $900. Since he does not have the cash to buy it he uses a credit card. The card charges 13% interest. How much will Joe have to pay total for the television?

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**Formula I = PRT Interest= principal times rate times the time**

Principal- amount of $ either borrowed or saved Rate- the interest rate is the %

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**Joe wants to buy a television. The tv costs $900**

Joe wants to buy a television. The tv costs $900. Since he does not have the cash to buy it he uses a credit card. The card charges 13% interest for 1 year. How much will Joe have to pay total for the television? Write the formula then replace the letters with numbers and solve I = PRT

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**I = PRT I = 4400(3%)(2) I= 4400(.03)(2) I= 8800(.03)**

I bought furniture for 2800, 1000 for the chair and 600 for the ottoman. They have a special interest for 2 years at 3%. What is the total someone would pay? Write formula…… I = PRT Replace the letters with numbers and solve I = 4400(3%)(2) I= 264 Total = I + P I= 4400(.03)(2) to find total we add interest To the principal Total = I= 8800(.03) Total = 4664

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COMMISSION used in the real world in sales when a salesperson gets a percentage of what they sell the more they sell the more they make Examples of people who work on commission are …. Selling cars, houses, jewelry and other expensive items

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**A salesman sells a camcorder for $999**

and gets 8% commission. How much does he make? To do Price times commission % to get commission 999 .08 7992 .

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**QUIZ 112.32 Price before the tax 850.65 16 2/3 60.50**

1. A jacket is and on sale for 20% off. Tax is 8%. What is the total? 2. What is the subtotal? 3. Find the total for a tv for and on sale for 20% off and a dvd for with 25% off. Tax is 7% 4. A piece of wood is 12 ½ ft long. How many ¾ pieces are cut from it? 5. A shirt for and on sale for 40% off, a belt for and on sale for 25% off and a pair of clear shoes for for 30% off. What is the total price? 112.32 Price before the tax 850.65 16 2/3 60.50

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