Concentration of water in dry grapes is 25% and the concentaraion of water in fresh grapes is 90%
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Ans: 2250 kg
weight of dry grapes = 500 kg
Since dry grapes contain 10% of water, weight of grape pulp in 500 kg of dry grapes
= 90% of 500 = 450 kg
Let
x
be its total weight when it is fresh.
Fresh grapes contain 80% water. Therefore,
20% of
x
is 450 kg
=> 100% of
x
= 450 × 5 = 2250
=>
x
= 2250 kg
weight of dry grapes = 500 kg
Since dry grapes contain 10% of water, weight of grape pulp in 500 kg of dry grapes
= 90% of 500 = 450 kg
Let
x
be its total weight when it is fresh.
Fresh grapes contain 80% water. Therefore,
20% of
x
is 450 kg
=> 100% of
x
= 450 × 5 = 2250
=>
x
= 2250 kg
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