Q:

The bar graph shows that life​ expectancy, the number of years newborns are expected to​ live, in a particular region has increased dramatically since ancient times. Find the percent increase in average life expectancy of the region from the Stone Age to 2016.

Accepted Solution

A:
Answer:There was an increase of 176.92 % of life expectancyStep-by-step explanation:To find this solution, we need to compare the life expectancy in the Stone age and in 2016Stone age26 years. (this represents 100%)201672 yearsWe apply a rule of three26 years ------------------100%72 years --------------------x(72/26)*100% = 276.92 % 276.92 % - 100% = 176.92 %There was an increase of 176.92 % of life expectancy