Question:
Last year, the ratio of the number of men to the number of women who signed up for a marathon was 5 : 4. This year, the number of men increased by 30% and the number of women decreased by 50%. A total of 4675 men and women signed up for the marathon this year. What is the difference between the total number of people who signed up for the marathon in the two years?
Solution:
![P6 / Catholic High / 2020 / SA2 Prelims / Paper 1 – Q01 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/P6_SA2_2020_Catholic_High_Paper1_Q01-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / ACS / 2020 / SA2 / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/09/P6_ACS_2020_SA2_Paper2_Q07-Qns.jpg?resize=400%2C193&ssl=1)