Suppose That in the Future,real GDP Per Person Grows 2

Multiple Choice

Suppose that in the future,real GDP per person grows 2 percent a year in the United States and 4 percent a year in China.It will take real GDP per person approximately ________ years to double in the United States and approximately ________ years to double in China.

A) 70;35
B) 35;17.5
C) 35;8.75
D) 50;25
E) 20;10