Question
Claire cut 389 cm of a rope into 3 pieces. The 1st piece was 3 times as long as the 2nd piece. The 3rd piece was 121 cm long. How long was the 2nd piece?
4 m

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Claire cut 389 cm of a rope into 3 pieces. The 1st piece was 3 times as long as the 2nd piece. The 3rd piece was 121 cm long. How long was the 2nd piece?