1. 10 dollars a day
2. True
3. 350-500 million, 1 million fatalities
4.90%
5. 85% and 25%
6. A sixth
7. False, more than 100 million
8. 27-28%
9.37.3 million
10.   a. 640 million
         b. 400 million
         c.270 million