28. UNITED STATES POPULATION
a. In 1990 there were about 250,000,000 people living in the United States. By the year
2000 that number had increased by 10.4%. How many people were living in the
United States in 2000?
b. Suppose we assume that from 2000 to 2010 the population will increase by 10.4%
again, will there be more than 3 billion people living in the United States by 2010?