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?
Created: 5 years ago |
Updated: 3 years ago
best des
90% of the weight of fresh grapes is water. So, 10% is not water.
Here, 10% * 20 kg = 2 kg of totally waterless grapes.
Again, dried grapes contain 20% of water. So, 80% of the weight of dried grapes is not water.
Here, 80% * DGW = 2 kg [ DGW = Dried Grapes Weight]
= > DGW = 2/(80%)
= 2/ (8/10) = 2 * 10/8 = 10/4 = 2.5 kg.
Answer: 2.5 kg
Md Azizur Rahman
Founder of Satt
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