In the year 2002 the world population was estimated at 6 billion people. based on research from the world bank, about 20% lived on less than $1 per day. how many people lived on less than $1 per day?

The answer is:  "1,200,000,000 people" ;  or , write as:  "1.2 billion people"
                           (in the world) lived on less than $1 per day in the year 2002. "

  20% of 6 billion =  ?  ;

20% = 20/100 = 2/10 = 0.2 .

6,000,000,000 * 0.2 =

1,200,000,000 people .