Average Annual Growth Rate (2000-2018) of
	GDP	Population	Per Capita GDP
High-income countries
United States	1.7	0.8	0.9
Canada	1.9	1.0	0.9
Japan	0.7	0.0	0.7
France	1.1	0.6	0.5
Middle-income countries
China	9.5	0.5	9.0
India	6.8	1.4	5.4
West Bank/Gaza	5.2	2.5	2.7
Libya	1.2	1.2	2.4
Zimbabwe	1.4	1.1	0.3
Low-income countries
Burundi	3.1	3.1	0.0
Madagascar	2.9	2.8	0.1
Haiti	1.4	1.5	0.1
Central African Republic	0.4	1.4	1.0
Ethiopia	9.8	2.8	7.0
Source: The World Bank, WDR2019 Data Set.

how many years will it take for per capita GDP to double in (Hint: Use the "rule of 72.")

Instructions:Round your responses to one decimal place. If it is not possible for per capita GDP to double, enter "0."

a. China?

b. Madagascar?

c. Burundi?