Question
PSLE
Rael has a rope which is 20 cm long. He cuts it into three pieces. The first piece is (j + 6) cm, the second one is j cm and the third one is 5j cm.  Find the value of j. Give your answer in cm.
2 m

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PSLE
Rael has a rope which is 20 cm long. He cuts it into three pieces. The first piece is (j + 6) cm, the second one is j cm and the third one is 5j cm.  Find the value of j. Give your answer in cm.