In 2011, the ten most populous countries in the world accounted for just over ________ percent of the world income.
A) ten
B) twenty
C) thirty
D) forty
E) fifty
Answer: E. Fifty
In 2011, the ten most populous countries in the world accounted for just over ________ percent of the world income.
A) ten
B) twenty
C) thirty
D) forty
E) fifty
Answer: E. Fifty