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 / CHIJ / 2019 / CA1 – Q12 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/03/P6_CHIJ_2019_CA1_Q12-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nan Hua / 2021 / SA2 /
Paper 1 – Q17 [1 mark]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper1_Q17-Qns.jpg?resize=400%2C260&ssl=1)