1. Lesson 3-4 Example 1 3-4 Example 1 At 5 years old, Victoria was 44 inches tall. At 9 years old, she was 55 inches tall. What is the percent of change in Victoria’s height? 1.The original amount is 44. The new amount is 55.

2. Lesson 3-4 Example 1 3-4 Example 1 At 5 years old, Victoria was 44 inches tall. At 9 years old, she was 55 inches tall. What is the percent of change in Victoria’s height? 2.Substitute the values in the formula. 55 – 44

3. Lesson 3-4 Example 1 3-4 Example 1 At 5 years old, Victoria was 44 inches tall. At 9 years old, she was 55 inches tall. What is the percent of change in Victoria’s height? 3.Simplify.

4. Lesson 3-4 Example 1 3-4 Example 1 At 5 years old, Victoria was 44 inches tall. At 9 years old, she was 55 inches tall. What is the percent of change in Victoria’s height? 4.The value is positive. 25% increase