# Fertilizer

Mr. Gherkin use for fertilization 7% solution of fertilizer. 17 liters of it still left.

How much water must be added to the solution to make only 3% solution?

Correct result:

x =  22.6667 l

#### Solution:

7/100•17 = 3/100•(17+x)

3x = 68

x = 683 ≈ 22.666667

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