grade lesson 14. notes lesson 15 percent of change
TRANSCRIPT
![Page 1: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/1.jpg)
Grade
Lesson 14
![Page 2: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/2.jpg)
![Page 3: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/3.jpg)
![Page 4: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/4.jpg)
![Page 5: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/5.jpg)
![Page 6: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/6.jpg)
Notes
• Lesson 15• Percent of Change
![Page 7: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/7.jpg)
Objective: Percent of Change
_______________________ – is a ratio that compares the change in quantity to the original amount.
Amount of change original amount
When the new amount is greater than the original, the percent of change is a percent of _______________.
When the new amount is less than the original, the percent of change is a percent of _______________.
![Page 8: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/8.jpg)
Find the percent of change if the original cost was $50 and the new cost is $60. Is it an increase or decrease?
![Page 9: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/9.jpg)
Find the percent of change if the original cost was $5 and the new cost is $1. Is it an increase or decrease?
![Page 10: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/10.jpg)
Find the selling price
The store’s cost plus the markup equals the selling price.
Store Cost + Markup = Selling Price
c + %●c = sp
The bookstore buys a synch sack for $2 and marks it up 250%, how much do they sell them for?
c + %●c = sp 2 + 2.50 ● 2 = sp
![Page 11: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/11.jpg)
Discount = (% of decrease) ● (Regular Price)Regular Price – Discount = Sale Price
c – % ● c = spThe Gap is having a 40% off sale on their winter clothes. How much would you pay if a jackets regular cost was $50? c – % ● c = sp
![Page 12: Grade Lesson 14. Notes Lesson 15 Percent of Change](https://reader035.vdocuments.us/reader035/viewer/2022070616/5a4d1bf57f8b9ab0599e7b8f/html5/thumbnails/12.jpg)
Find the sale price of each to the nearest cent.Shirt: $39.95, 25% off c – % ● c = sp