When Nancy started middle school, she was 60 inches tall. When she started high school, she was 66 inches tall. What was the percent change in her height?

Nancy’s height increased by 66 − 60 = 6 inches. Divide the increase by her starting height: 6 ÷ 60 = 0.10, or 10%. Therefore, the percent change was a 10 percent increase.

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