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OpenStudy (nyquasha13):
In 1995, the average life expectancy in the United States was 75.8 years. The average life expectancy in 2015 was 78.8 years. What is the percentage increase in life expectancy in the last 20 years? Choose the closest answer. A. 3.5% B. 4% C. 4.5% D. 5%
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