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Basic Mathematics QUESTION #4565
Question 1
If the ratio of boys to girls is $3:2$ and there are $15$ boys, how many girls are there?
  • $10$✔️
  • $12$
  • $22.5$
  • $9$
Correct Answer Explanation
Let girls = $x$. Then $\frac{3}{2} = \frac{15}{x}$. Cross-multiply: $3x = 30$, so $x = 10$