Question:
Sofie had some cupcakes. She had 72 more chocolate cupcakes than red velvet cupcakes. She has 36 fewer blueberry cupcakes than red velvet cupcakes. After selling 1/6 of the chocolate cupcakes, 2/3 of the red velvet cupcakes and 7/9 of the blueberry cupcakes, Sofie had 427 cupcakes left altogether. How many chocolate cupcakes did Sofie sell?
Solution:
![P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q15 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Ai_Tong_Paper1_Q15-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Tao Nan / 2020 / SA2 Prelims / Paper 2 – Q05 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_Tao_Nan_2020_SA2_Paper2_Q05-Qns.jpg?resize=400%2C260&ssl=1)