Problem: if the weight of 12 meters long rod is 13.4 kg . what is the weight of 6 meters long rod ?
Rationale: "answer ∵ weight of 12 m long rod = 13.4 kg ∴ weight of 1 m long rod = 13.4 / 12 kg ∴ weight of 6 m long rod = 13.4 x 6 / 12 = 6.7 kg option : a"
annotated_formula: divide(multiply(6, 13.4), 12)