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 / ACS / 2018 / SA1 / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2021/05/P6_SA1_2018_ACS_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)
![P6 / Catholic High / 2021 / SA2 / Paper 1
– Q11 [2 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/05/P6_SA2_2021_Catholic_High_Paper1_Q11-Qns.jpg?resize=400%2C260&ssl=1)