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    Question

    A fruit contains 80% water when fresh, and 40% water

    when dried. How many kilograms of the fresh fruit are needed to make 2 kg of dried fruit?
    A 6 kg Correct Answer Incorrect Answer
    B 2 kg Correct Answer Incorrect Answer
    C 5 kg Correct Answer Incorrect Answer
    D 10 kg Correct Answer Incorrect Answer

    Solution

    Fresh fruit = 20% solids Dried fruit = 60% solids Let fresh weight = x g So: 0.20x = 0.60 × 2000 x = 6000 g = 6 kg

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