10/24/11 Get out your homework (odds on proportions worksheet) Bellringer: –Write down in 5 sentences or less, what do you know about discounts?

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Presentation transcript:

10/24/11 Get out your homework (odds on proportions worksheet) Bellringer: –Write down in 5 sentences or less, what do you know about discounts?

Homework Answers 1.No3. No5. Yes7. Yes 9. Yes11. Yes13. Yes15. No

Continued Turn the worksheet into the basket.

I Discounts

A is a percentage taken off of a purchase price. discount

How to find the Discount & Discounted Price 1.Find out the % of the discount. Convert the % to a decimal. 2.Multiply the decimal by the original price. 3.Take the answer in step 2 and subtract it from the original price. Example 1)Discount 20% =.20 2)$10 x.20 = $2.00 3) $ $2.00 = $8.00

Calculating Discount Step One- Convert the percent to a decimal. 30% =.3 Figure out your price of a CD, if the original price is $15.50 with a discount of 30%. Step Two – Multiply the price and the decimal. $15.50 x.3 = $4.65 Step Three- Subtract the discount from the original price. $ $4.65= $10.85

Amanda went to Circuit City and bought an MP3 Player. If the MP3 Player’s original price is $78.99 and the store is offering a 25% discount, what is the new price of her MP3 player? Step One- 25% =. 25 Step Two – $78.99 x.25 = $19.75 Step Three- $ $ = $59.24

Old Navy is having a sale on winter clothes. If Shelbi found a sweater for $35.99, how much is the sweater now with a 35% discount? Step One- 35% =. 35 Step Two – $35.99 x.35 = $12.60 Step Three- $ $12.60 = $23.39

Dominos is having a 40% off sale on their large pizzas. If Robert bought a large pizza for $15.99, how much would it cost when he applied the discount ? Step One- 40% =.4 Step Two – $15.99 x.4 = $6.40 Step Three- $ $6.40 = $9.59

Jerrod went to Walmart to buy a new video game. The game costs $51.49 and it was on sale for 15% off. What was the new price for the video game? Step One- 15% =.15 Step Two – $51.49 x.15 = $7. 72 Step Three- $ $7.72 = $43.77

Heather bought a new flat screen television for $1,299. The store was offering a 25% discount on all HDtvs. How much did Heather end up paying for the TV? Step One- 25% =.25 Step Two – $1,299 x.25 = $ Step Three- $1,299 - $324.75= $974.25

Target was advertising a 50% off sale on all candy. If James bought some candy for $1.50, how much did he spend after the discount was applied? Step One- 50% =.5 Step Two – $1.50 x.5 =.75 Step Three- $ = $ 0.75

Discount Worksheet Order of Operations on study island is due Friday. All make up work and test corrections are due Wed!