Question:
In 2018, there were 864 children in a dance club. In 2019, some boys and girls joined the club. As a result, there was a 20% increase in the number of boys and 25% increase in the number of girls. Then the ratio of the number of boys to the number of girls in 2019 was 6 : 5. How many girls were there in the club in 2019?
Solution:
![P6 / ACS / 2020 / SA2 Prelims / Paper 1 – Q24 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA2_2020_ACS_Paper1_Q24-Qns.jpg?resize=400%2C260&ssl=1)
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