Question:
Gavin had some chicken pies and vegetables pies in the ratio of 5 : 2. He sold 18 chicken pies and made 15 more vegetable pies. In the end, he has equal number of chicken pies and vegetable pies. How many vegetables pies did he have at first?
Solution:
![P6 / Nanyang / 2020 / SA2 Prelims / Paper 1 – Q14 [2 marks] ~ Reader Submission #21](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/06/ReaderSub_21-Qns.jpg?resize=400%2C260&ssl=1)