SOLUTION: The worlds most populous countries are China and India. As of mid-2005, the combined population of these two countries were estimated at 2.4 billion. If there were about 4/5 as man

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The worlds most populous countries are China and India. As of mid-2005, the combined population of these two countries were estimated at 2.4 billion. If there were about 4/5 as man      Log On


   

Question 121286: The worlds most populous countries are China and India. As of mid-2005, the combined population of these two countries were estimated at 2.4 billion. If there were about 4/5 as many people living in India as China, what was the population of each country, to the nearest tenth of a billion?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x+(4/5)x=2.4
x+.8x=2.4
1.8x=2.4
x=2.4/1.8
x=1.33 amount of people in China.
.8*1.33=1.067 amount of people in India.
proof.
1.33+1.067=2.4