1. If population of India and China is at 2.3 billion in 2008, how many years will it take to reach 8.9 billion-assuming rate of growth is constant at 2.4%.
2. The crude birth rae in Africa is 38 and the crude death rate is 15. What is the annual % rate of growth?
3. The crude birth rae in US is 14 and the crude death rate is 8. What is the annual % rate of growth?
Please answer all question and show work.