1. 2-9 Percents

2. What: Variable (x) Is: equals sign (=) Of: Multiply

3. Problem 2: Finding a Percent using the Percent Equation
What percent of 56 is 42?

4. What percent of 90 is 54?

5. Problem 3: Finding a Part
A dress that normally costs $38.50 is on sale for 30% off. What is the sale price of the shirt?

6. Problem 3: Finding a Part
What is 72% of 150?

7. What is 20% of 3?

8. Problem 4: Finding a Base
125% of what number is 17.5?

9. 30% of what number is 12.5?

10. Simple Interest Formula
𝐼=𝑃𝑟𝑡 𝐼=𝐼𝑛𝑡𝑒𝑟𝑒𝑠𝑡 𝑃=𝑃𝑟𝑖𝑛𝑐𝑖𝑝𝑎𝑙 𝑟=𝑟𝑎𝑡𝑒 𝑎𝑠 𝑎 𝑑𝑒𝑐𝑖𝑚𝑎𝑙 𝑡=𝑡𝑖𝑚𝑒 (𝑖𝑛 𝑦𝑒𝑎𝑟𝑠)

11. Problem 5: Using the Simple Interest Formula
If you invest $50 at a simple interest rate of 3.5% per year for 3 years, how much interest do you earn?

12. Problem 5: Using the Simple Interest Formula
You deposit $125 in a savings account that earns a simple interest rate of 1.75% per year. You earned a total of $8.75 in interest. For how long was your money in the account?