Question:
Mrs Munah used 7/10 of a packet of flour to bake some cookies. She then had 2/5 kg of flour left.
a) What was the mass of flour in the packet at first? Leave your answer in kg.
b) Given that Mrs Munah used 1/15 kg of flour for each cookie, how many cookies did she bake?
Solution:
![P6 / Tao Nan / 2019 / SA2 / Paper 2 – Q01 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Tao_Nan_2019_Prelims_Paper2_Q01-Qns.jpg?resize=400%2C207&ssl=1)
![P6 / Ai Tong / 2020 / SA2 Prelims / Paper 1 – Q28 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/08/P6_SA2_2020_Ai_Tong_Paper1_Q28-Qns.jpg?resize=400%2C260&ssl=1)