Question:
At an exhibition, the ratio of the number of men to the number of women was 10 : 3. Halfway through the exhibition, 110 men left and the number of men was 5/12 of the total number of people who remained behind. How many women were there at the exhibition?
Solution:
![P6 / Nanyang / 2019 / SA2 / Paper 2 – Q07 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nanyang_2019_Prelims_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Rosyth / 2019 / SA1 / Paper 2 – Q08 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Rosyth_2019_SA1_Paper2_Q08-Qns.jpg?resize=400%2C260&ssl=1)
Why do u need to times the ratio by 7?
Hi Emily, we want to make the number of units for Women the same between the two ratios.