Here is another good explanation.
source https://www.manhattanprep.com/gmat/foru ... t7028.html
In the original sentence, "increased by more than twice" is unidiomatic; when numbers increase, they "increase by more than a factor of two." Also, "twice" is an adverb; only nouns can
...
source https://www.manhattanprep.com/gmat/foru ... t7028.html
In the original sentence, "increased by more than twice" is unidiomatic; when numbers increase, they "increase by more than a factor of two." Also, "twice" is an adverb; only nouns can
...
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