In 1966, Charles Whitman killed his wife, his mother, and 14 more people at the University of Texas before police killed him. An autopsy revealed that a tumor affecting Whitman’s was likely the cause for the motivation behind his killing spree.

Using only this chart, which step would you take first to compare the standard of living in these countries? add the gdp numbers for the countries to get a total. divide each gdp number by its country's population. subtract each population number from its country's gdp. multiply the population number by the gdp for each country.