To Start – 10 Points!!! Find the percent of increase from 4 to 7.5. Amount of increase = 7.5 – 4 = 3.5 Original amount = 4 The percent of increase from.

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Presentation transcript:

To Start – 10 Points!!! Find the percent of increase from 4 to 7.5. Amount of increase = 7.5 – 4 = 3.5 Original amount = 4 The percent of increase from 4 to 7.5 is 87.5% Find the percent of increase from 11 to Amount of increase = 18.5 – 11 = 7.5 Original amount = 11 The percent of increase from 11 to 18.5 is 68.2%

CHAPTER 6: RATIOS, PROPORTIONS, AND PERCENTS Section 6-9: Markup & Discount

Markup!!! To make a profit, stores charge more for merchandise than they pay for it. The amount of increase is called the markup.

Markup!!! A music store’s percent markup is 67%. A CD costs the store $ Find the markup. Markup =.67(10.15) Markup = $6.80

Markup!!! A music store’s percent markup is 81%. A CD costs the store $8.82. Find the markup. Markup =.81(8.82) Markup = $7.14

Markup – You Try!!! A store pays $5 for a baseball cap. The percent markup is 70%. Find the selling price of the cap. Markup =.7(5) Markup = $3.50 Selling price is $5 + $3.50 = $8.50!!!

Discount!!! When an item goes on sale, the amount of the price decrease is called the discount. The percent of decrease is the percent of discount. The original price minus the discount is the sale price

Discount!!! A video game that regularly sells for $39.95 is on sale for 20% off. What is the sale price? Discount =.2(39.95) = 7.99 Sale price = $ $7.99 = $31.96

Discount – You Try!!! A video game that regularly sells for $52.45 is on sale for 40% off. What is the sale price? Discount =.4(52.45) = $20.98 Sale price = $ $20.98 = $31.47

Homework!!!! Page 320: 1-16 Pre-Algebra I Love Math Property of Mr. Daniels