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Australian AMC 2009 - Intermediate Question 19

AMC AUSTRALIA · Australian AMC 2009 - Intermediate

Question 19

The difference between a positive fraction and its reciprocal is $\frac9{20}$. The sum of the fraction and its reciprocal is
  1. $\frac{41}{40}$
  2. $\frac{20}9$
  3. $\frac{25}{16}$
  4. $\frac{41}{20}$
  5. $5$