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Discount and Markup SWBAT find the amount of discount; find the sale price; find the discount rate; find the amount of markup; find the markup rate.

Published byEileen Jacobs Modified over 9 years ago

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Presentation on theme: "Discount and Markup SWBAT find the amount of discount; find the sale price; find the discount rate; find the amount of markup; find the markup rate."— Presentation transcript:

1 Discount and Markup SWBAT find the amount of discount; find the sale price; find the discount rate; find the amount of markup; find the markup rate

2 Definitions Discount The amount by which the regular price is reduced The amount by which the regular price is reduced Discount rate The percent decrease in the list price The percent decrease in the list price List price Regular price of an item Regular price of an item Sale price The difference between an items list price and the amount of the discount The difference between an items list price and the amount of the discount

3 Definitions Wholesale price The price a store pays for an item The price a store pays for an itemMarkup The difference between the wholesale price and the list price The difference between the wholesale price and the list price Markup rate The percent increase in the wholesale price The percent increase in the wholesale price

4 Think The 7th grade class wants to purchase a ping pong table for the school. A store sells them for $188 each. This week they are on sale for a 25% discount. How much would it cost the class to purchase one?

5 Examples The list price for a racquetball racket is $39. Now they are on sale for $31.20. What is the discount rate of the racket? A store buys old umbrellas for $40 each and sells them for $56. What is the markup rate?

6 Examples 15% discount rate on a $400 stereo system. A $45 headset at a 25% discount rate 20% discount rate on a $6800 used car A $3000 motorcycle on sale for $2400 A $63 phone on sale for $58.88 A $300 digital camera on sale for $250

7 Examples A CD bought for $24 and sold for $25.80 Wholesale price: $48 List price: $58.56

8 Try These What is the sale price of a $250 DVD player with a 30% discount? x/250 = 30/100 x/250 = 30/100 100x = 7500 100x = 7500 X = $75 X = $75 Sale price: $250 - $75 = $175 Sale price: $250 - $75 = $175 What is the discount rate of an $850 computer on sale for $650? 200/850 = x/100 200/850 = x/100 20000 = 850x 20000 = 850x X = 23.5% X = 23.5% Find the markup: Wholesale price: $20 List price: $28 8/20 = x/100 8/20 = x/100 800 = 20x 800 = 20x X = 40% X = 40%

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