Question
Fresh grapes contain 80% water while dry grapes contain
20% water. How many kilograms of fresh grapes are needed to make 500 grams of dry grapes?Solution
ATQ,
Fresh grapes: 20% solid Dry grapes: 80% solid Let weight of fresh grapes be x grams Solid content remains constant: 0.2x = 0.8 * 500 0.2x = 400 → x = 2000 grams = 2 kg
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