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. "
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20% of 6 billion = ? ;
20% = 20/100 = 2/10 = 0.2 .
6,000,000,000 * 0.2 =
1,200,000,000 people .
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