Answer:
a. real per capita GDP grew by 2.5%
b. it would double in 28 years
Explanation:
a) Real per capita GDP grew by
Nominal GDP - Price level - Population Grow
= 6%-2%-1.5%
= 2.5%
b) As per rule of 70, the GDP would double in:
= 70/2.5
= 28 years