Question

In 2007, the average life expectancy in angola was 53.8 years. in 2013, the life expectancy in angola was 52.4 years. what was the percent change of life expectancy in angola from 2007 to 2013? round your answer to 2 decimal places.

a. 2.60%
b. 2.59%
c. 2.61%
d. 2.58%

Answer 1

The percent change in life expectancy in Angola from 2007 to 2013 is 2.60%, which is determined by the formula: (Change ÷ Original value) × 100, with the change being an decrease of 1.4 years from 53.8 to 52.4 years.

Step-by-step explanation:

To calculate the percent change in life expectancy in Angola from 2007 to 2013, we follow these steps:

1. Determine the original value (in 2007): 53.8 years.
2. Determine the new value (in 2013): 52.4 years.
3. Calculate the change in value: 53.8 - 52.4 = 1.4 years.
4. Calculate the percent change using the formula: (Change in value ÷ Original value) × 100. Here, it would be (1.4 ÷ 53.8) × 100.
5. Perform the calculation: (1.4 ÷ 53.8) × 100 ≈ 2.6011%, which we round to two decimal places.

Therefore, the percent change in life expectancy in Angola from 2007 to 2013 is 2.60%, which corresponds with option A.