Question
PSLE
Ahmad has a string which is 189 cm long. He cuts it into three pieces. The first piece is (5f - 1) cm, the second one is f cm and the third one is 4f cm.  Find the value of f. Give your answer in cm.
2 m

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PSLE
Ahmad has a string which is 189 cm long. He cuts it into three pieces. The first piece is (5f - 1) cm, the second one is f cm and the third one is 4f cm.  Find the value of f. Give your answer in cm.