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1989 AMC 8 Question 9

AMC8 · 1989 AMC 8

Question 9

There are $2$ boys for every $3$ girls in Ms. Johnson’s math class. If there are $30$ students in her class, what percent of them are boys?
  1. $12\%$
  2. $20\%$
  3. $40\%$
  4. $60\%$
  5. $66\dfrac{2}{3}\%$