SOLUTION: Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight.What will be the weight of dried grapes available from 20 kg of fresh grapes?

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Question 295628: Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight.What will be the weight of dried grapes available from 20 kg of fresh grapes?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
freshgrapes contain 90% water
90% of 20 kg = 18 kgs.
80% of 18 kgs is dried grapes
80% of 18 kgs = 16.4 kgs.
we have 16.4 kgs of grapes from 20 kgs fresh grapes