Question
PSLE
David has a string which is 18 cm long. He cuts it into three pieces. The first piece is (5p - 4) cm, the second one is p cm and the third one is 5p cm.  Find the value of p. Give your answer in cm.
2 m

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PSLE
David has a string which is 18 cm long. He cuts it into three pieces. The first piece is (5p - 4) cm, the second one is p cm and the third one is 5p cm.  Find the value of p. Give your answer in cm.