 Work with a partner and complete the problem handed out to you regarding the prices of tennis racquets. › Recall what we learned in the previous lesson.

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Presentation transcript:

 Work with a partner and complete the problem handed out to you regarding the prices of tennis racquets. › Recall what we learned in the previous lesson when calculating percents of a whole number.

 When an item is on sale for 20% off, we say that there is a discount of 20%  A discount of 20% on an item for sale means that you pay: › 100% - 20% = 80% of the regular price. Example  A video game is marked with a discount of 30%. Its regular price is $ What is the price after the discount? › The sale price of the video game is: 100% - 30% = 70% of $27.99 › 70% of $27.99 = 0.7 x $27.99 = $19.59

Example  A video game is marked with a discount of 30%. Its regular price is $ What is the price after the discount? › 70% of $27.99 = 0.7 x $27.99 = $19.59  This is the price ($19.59) before sales tax is added. The Harmonized sales tax (HST) is 13% (provincial – 8%, federal – 5%).  So, the price you pay for the video game is: › $ % of $19.59 › = 113% of $19.59 › = 1.13 x $19.59 › = $22.14

 Many salespeople earn commission, which is a percent of the money received from the sale of the item. Example  Mac Jennings, a real estate agent, sells a home for $ He earns 2.5% commission. How much does Mac earn on this sale? › Mac will earn 2.5% of $ › x $ = $5475

1.A car dealership offers two choices of discount on a car with a sticker price of $ Choice A: $4000 rebate Choice B: 20% discount Which is a better deal for the customer? Justify your answer. 2.A new house was purchased for $ After 3 years, its market value had increased by 28%. What is the new market value of the house? 3.Both Harsimar and Krittika bought Habs jerseys at different stores for the upcoming season. Harsimar’s jersey was originally $ with a 15% discount. Krittika’s was originally $ with a 20% discount. Who paid less after taxes? 4.Jaspal purchases a bike priced at $86. With sales tax, the total comes out to $ What is the sales tax percentage?