Question
PSLE
Perry pushes two poles, Q and R, straight into the ground until the length of each pole that is above the ground is the same.

15 of Q and 18 of R are in the ground. The length of Q in the ground is 15 cm longer than the length of R in the ground. What is the total length of poles Q and R?
2 m

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PSLE
Perry pushes two poles, Q and R, straight into the ground until the length of each pole that is above the ground is the same.

15 of Q and 18 of R are in the ground. The length of Q in the ground is 15 cm longer than the length of R in the ground. What is the total length of poles Q and R?