Objective: Students will be able to solve problems involving discounts and sales tax. VOCABULARY: A discount is the difference between the original price.

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Presentation transcript:

Objective: Students will be able to solve problems involving discounts and sales tax. VOCABULARY: A discount is the difference between the original price and the sale price. A sales tax is an amount added to the price of a purchase.

Change % to decimal and multiply 0.3 • 78 = $23.40 discount A discount is the difference between the original price and the sale price. Ms.Thomas bought a dress. The original price was $78, and it was discounted 30% off. 1. Find the discount What is 30% of $78? Change % to decimal and multiply 0.3 • 78 = $23.40 discount 2. Subtract the discount from the original price. $78.00 - $23.40 $54.60 is the sale price

Change % to a decimal and multiply 0.2 • 125 = $25.00 discount A discount is the difference between the original price and the sale price. Lou found a bat that had an original cost of $125, but it was marked down 20%. What is the sale price? 1. Find the discount What is 20% of $125? Change % to a decimal and multiply 0.2 • 125 = 2. Subtract the discount from the original price. $25.00 discount $125.00 - $ 25.00 $100.00 is the sale price

A sales tax is an amount added to the price of a purchase. A hotel cost $158 per night plus 11.3% sales tax. What is the total cost per night? 1. Find the tax What is 11% of $158? 0.11 • 158 = $17.38 sales tax 2. Add the sales tax to the original price. $158.00 + $ 17.38 $175.38 is the total cost

A sales tax is an amount added to the price of a purchase. You buy a stereo for $387.50. What is you total cost if the sales tax is 7.25%? 1. Find the tax What is 7.5% of $387.50? 0.075 • 387.50 = $28.09 sales tax 2. Add the sales tax to the original price. $387.50 + $ 29.06 $416.56 is the total cost

YOU TRY IT! Sally found a sofa that had a price tag of $450. It was marked 35% off. What is the total discount? Sally decided to buy the sofa that was on sale. The sales tax is 8.5%. Find the total cost of the sofa.