Answer: 4.3%
Step-by-step explanation:
Real GDP growth rate = GDP per Capita growth rate + Population growth rate
GDP per capita growth rate:
One can use the rule of 70 to calculate the length of time it would take something to double:
Years = 70 / rate
rate * years = 70
Rate = 70 / years
= 70/25
= 2.8%
Real GDP growth rate = 2.8% + 1.5%
= 4.3%