Question
Aubrey cut 512 cm of a thread into 3 pieces. The 1st piece was 3 times as long as the 2nd piece. The 3rd piece was 80 cm long. How long was the 2nd piece?
4 m

Click button first when a symbol is required. X

Aubrey cut 512 cm of a thread into 3 pieces. The 1st piece was 3 times as long as the 2nd piece. The 3rd piece was 80 cm long. How long was the 2nd piece?