In a certain country, the average retirement age for college graduates is 58.3 years old and the average retirement age

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In a certain country, the average retirement age for college graduates is 58.3 years old and the average retirement age for people who have not graduated from college is 64.7 years old. Among retirees in that country, what is the ratio of college graduates to people who have not graduated from college?

(1) 25% of retirees in the country are college graduates.

(2) The average retirement age in the country is 63.1.

Answer: D

Source: Veritas Prep
Source: — Data Sufficiency |