Question
PSLE
Valen has a string which is 17 cm long. He cuts it into three pieces. The first piece is (k + 7) cm, the second one is k cm and the third one is 3k cm.  Find the value of k. Give your answer in cm.
2 m

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PSLE
Valen has a string which is 17 cm long. He cuts it into three pieces. The first piece is (k + 7) cm, the second one is k cm and the third one is 3k cm.  Find the value of k. Give your answer in cm.