Question
PSLE
Billy pushes two rods, Z and A, straight into the ground until the length of each rod that is above the ground is the same.

13 of Z and 16 of A are in the ground. The length of Z in the ground is 9 cm longer than the length of A in the ground. What is the total length of rods Z and A?
2 m

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PSLE
Billy pushes two rods, Z and A, straight into the ground until the length of each rod that is above the ground is the same.

13 of Z and 16 of A are in the ground. The length of Z in the ground is 9 cm longer than the length of A in the ground. What is the total length of rods Z and A?