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Lesson 3-4 Example 2 3-4 Example 2 Dale got a score of 70 on his science exam. He was able to retake the test and scored a 77.5. Find the percent of change in the test scores. Round to the nearest whole percent. 1.The original amount is 70. The new amount is 77.5.

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Lesson 3-4 Example 2 3-4 Example 2 Dale got a score of 70 on his science exam. He was able to retake the test and scored a 77.5. Find the percent of change in the test scores. Round to the nearest whole percent. 2.Substitute the values in the formula.

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Lesson 3-4 Example 2 3-4 Example 2 Dale got a score of 70 on his science exam. He was able to retake the test and scored a 77.5. Find the percent of change in the test scores. Round to the nearest whole percent. 3.Simplify. Round to the nearest whole percent. 11% 10.7%

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Lesson 3-4 Example 2 3-4 Example 2 Dale got a score of 70 on his science exam. He was able to retake the test and scored a 77.5. Find the percent of change in the test scores. Round to the nearest whole percent. 4.The value is positive. 11% increase

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