Question

Fresh grapes contain 90% water by weight while dried grapes contain 20% water by
weight. What is the weight of dry grapes available from 20 kg of fresh grapes?​

Answer 1

Answer:

90% of the weight of the fresh grapes is water, so 10% is not water.

10%∗20kg=2kg of totally waterless grapes.

Dried grapes contain 20% water. So 80% of the weight of dried grapes is not water.

80%∗DriedGrapeWeight=2kg

So Dried Grape Weight =

80%

2Kg

=2.5kg.

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