Question
Billy had 20 kg of fresh durians. The durians contained 75% water when fresh. There was only 50% water left in the durians two weeks later. What was the mass of the durians two weeks later?
3 m

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Billy had 20 kg of fresh durians. The durians contained 75% water when fresh. There was only 50% water left in the durians two weeks later. What was the mass of the durians two weeks later?