Question:
The figure shows two stacks of identical plastic cups. There are 4 plastic cups in the shorter stack and 6 plastic cups in the taller stack.
The height of the shorter stack is 19 cm and the taller stack is 24 cm.
Francis wants to pack the plastic cups as a single stack into a box of height 80 cm tall. What is the most number of plastic cups he can pack into the box?
Solution:
![P6 / Nan Hua / 2019 / SA2 / Paper 2 – Q07 [3 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2020/07/P6_Nan_Hua_2019_Prelims_Paper2_Q07-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Nan Hua / 2021 / SA2 /
Paper 2 – Q04 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/08/P6_SA2_2021_Nan_Hua_Paper2_Q04-Qns.jpg?resize=400%2C260&ssl=1)