Question
Howard had 90 kg of fresh durians. The durians contained 80% water when fresh. There was only 70% water left in the durians one week later. What was the mass of the durians one week later?
3 m

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Howard had 90 kg of fresh durians. The durians contained 80% water when fresh. There was only 70% water left in the durians one week later. What was the mass of the durians one week later?