Question: Create and index variables in the table that is the ratio (People over 65) / (people 21 and under) * 100 Select counties that have

Create and index variables in the table that is the ratio (People over 65) / (people 21 and under) * 100 Select counties that have a value for this ratio that is over 85%, and a total population that is over 150,000. This selected set should contain 13 counties; 11 total in Florida, one in Arizona, and 1 in Massachusetts

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