The bar graph shows that in 2001, the U.S. government collected more in taxes than it spent, so there was a budget surplus for that year. By contrast, in 2003 through 2013, the government spent more than it collected, resulting in budget deficits. Exercises 79−80 involve these deficits.
80.
In 2007, the government collected $2568 billion and spent $2729 billion. Find
b. In 2009, the government collected $2105 billion and spent $351 8 billion. Find the deficit,in billions of dollars, for 2009.
c. Use your answers from parts (a) and (b) to determine the combined deficit, in billions of dollars for 2007 and 2009.
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