Question

plz answer it with step by step explanation......nd don't spam....plz​

Answer 1

Let, Quantity of original solution = 100x

Then quantity of salt = 15x

When 30kg of water is evaporated then total quantity= 100x -30

But quantity of salt will remain same and now quantity of salt is 20% of original quantity

(100x -30)*1/5 = 15x

X = 120 kg

Answer 2

Answer:

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