the gross domestic product (GDP) of a certain country is growing at a constant rate. In 2009 the GDP was 125 billion dollars , and in 2011 it was 155 billion dollars. At what percentage rate will the GDP grow in 2014?

Answer 1

Find the rate per year. That is take the difference between 155 and 125 and divide it by the number of years between 2009 and 2011. Then multiply this yearly rate by the number of years between 2011 and 2014.

Answer 2

Dear Tom;
This is not the final solution yet...
Sincerely, Ms Pi