1. Percent Problems
Chapter 7
Section 7.6

2. Objective
Students will solve problems involving percents

3. Concept
Whenever a price is changed, you can find the percent of increase or decrease by using the following formula: Percent of change = change in price 100 original price

4. Example
Find the change in price. The original price of the car Jasmine wants was $10,000. It is now on sale for $8,999. Jerry originally paid $600 per month to rent his apartment. It now costs him $650.

5. Example
To attract business, the manager of a musical instruments store decreased the price of an alto saxophone from $500 to $440. What was the percent of decrease?

6. Example
Ricardo paid $27 for membership in the Video Club. This was an increase of 8% from last year. What was the price of membership last year?

7. Questions

8. Assignment
Worksheet