Question
PSLE
Mark has a ribbon which is 20 cm long. He cuts it into three pieces. The first piece is (4x - 7) cm, the second one is x cm and the third one is 4x cm.  Find the value of x. Give your answer in cm.
2 m

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PSLE
Mark has a ribbon which is 20 cm long. He cuts it into three pieces. The first piece is (4x - 7) cm, the second one is x cm and the third one is 4x cm.  Find the value of x. Give your answer in cm.