Express the ratio $3 : 5$ as a percentage.

Express the ratio $3 : 5$ as a percentage.
  1. $30\%$
  2. $50\%$
  3. $60\%$
  4. $80\%$

Solution

Ratio $3:5 = \dfrac{3}{5} = \dfrac{3}{5} \times 100\% = 60\%$.

Asked in: IMO

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