Hello,
IMO E
what is the OA?
total amount - $0.9 billion
the 5 highest-contributing individuals - 16.8%*$0.9 billion
312 remaining contributors - (100% - 16.8%)*$0.9 billion
We need to know if Mr. X among the 5 highest-contributing individuals.
(1) the 3 highest-contributing individuals - 12.1%*$0.9 billion
let us plugin numbers:
the 1st highest-contributing individual paid 6%*$0.9 billion
the 2nd highest-contributing individual paid 3.1%*$0.9 billion
the 3rd highest-contributing individual paid 3.0%*$0.9 billion
the 4th highest-contributing individual paid 2.9%*$0.9 billion
the 5th highest-contributing individual paid 1.8%*$0.9 billion
It is possible that
Mr. X paid 1.8%*$0.9 billion and was the 5th highest-contributing individual.
and it is also possible that
Mr. X paid 1%*$0.9 billion and was not among the 5 highest-contributing individuals.
so this statement alone is INSUFFICIENT
(2) Mr. X paid 1.9% of the $0.9 billion
let us plugin numbers:
the 1st highest-contributing individual paid 6%*$0.9 billion
the 2nd highest-contributing individual paid 3.0%*$0.9 billion
the 3rd highest-contributing individual paid 3.0%*$0.9 billion
it is possible that
the 4th highest-contributing individual paid 2.9%*$0.9 billion
the 5th highest-contributing individual paid 1.9%*$0.9 billion and it was Mr. X
and it is also possible that
the 4th highest-contributing individual paid 2.5%*$0.9 billion
the 5th highest-contributing individual paid 2.3%*$0.9 billion and Mr. X was not among the 5 highest-contributing individuals.
[spoiler]so we don't have enough information to answer the question
IMO E[/spoiler]
hope it helps!
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