The President of the World Bank Is on His Way

Multiple Choice

The president of the World Bank is on his way to a meeting with the president of Uruguay. He bumps into you in the hallway and wants to know how long it will take for Uruguayan per capita GDP to double. All he knows is that the average growth rate has been about 1 percent. You quickly tell him it will take about ________ years because you know ________.

A) 60; the rule of 60
B) 7; the rule of 70
C) 700; percent change
D) 70; the rule of 70
E) 1; exponential growth