Question:
Springfresh Laundry changes the washing of blankets and curtains as shown in the table below.
Nancy sent 12 kg of blankets and some curtains for washing. Being a member, Nancy got a $10 discount when her bill was above $100. She paid $266 in total. Find the mass of curtains Nancy sent for washing.
Solution:
![P6 / CHIJ / 2020 / SA2 Prelims / Paper 1 – Q22 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_CHIJ_Paper1_Q22-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nan Hua / 2021 / SA2 /
Paper 1 – Q19 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper1_Q19-Qns.jpg?resize=400%2C260&ssl=1)