Fresh grapes contain $90 %$ water by weight and dry grapes contain $20 %$ water by weight. The weight of dry grapes obtained from 20 kg of fresh grapes is (in kg., in decimal, up to 2 decimal places) ___

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Solution

20 kg $\to 10 %$ (non water content) = 2kg
2 = $80 %$ (non water content dry grapes)
$\Rightarrow$ wt = 2.50 kg

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Fresh grapes contain 90% water by weight and dry grapes contain 20% water by weight. The weight of dry grapes obtained from 20 kg of fresh grapes is (in kg., in decimal, up to 2 decimal places) ___

20 kg →10% (non water content) = 2kg 2 = 80% (non water content dry grapes) ⇒ wt = 2.50 kg

Fresh grapes contain $90 %$ water by weight and dry grapes contain $20 %$ water by weight. The weight of dry grapes obtained from 20 kg of fresh grapes is (in kg., in decimal, up to 2 decimal places) ___

20 kg $\to 10 %$ (non water content) = 2kg
2 = $80 %$ (non water content dry grapes)
$\Rightarrow$ wt = 2.50 kg