Question:
Suriana bought 4b of durians. She ate 3 kg of durians and gave b kg of durians to her cousins. Then her sisters ate half of the remaining durians.
(a) Suriana paid $52 for all the durians. If b = 2, what was the cost of 1 kg of durians?
(b) What was the total mass of durians Suriana had left? Express your answer in terms of b.
Solution:
![P6 / Tao Nan / 2020 / SA2 Prelims / Paper 2 – Q10 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/12/P6_Tao_Nan_2020_SA2_Paper2_Q10-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Rosyth / 2019 / SA1 / Paper 2 – Q09 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/05/P6_Rosyth_2019_SA1_Paper2_Q09-Qns.jpg?resize=400%2C260&ssl=1)