Acidity Concentration

Algebra Level 2

There is a solution A of \(\SI{150}{\milli\liter}\) with 30% acidity. What should be the acidity concentration (in %) of solution B to be added to solution A so the resulting solution C will be \(\SI{1}{\liter}\) and 50% acidity? Round the answer to the nearest percent.

Tip. Use the following table for your help:

Solution A\(\hspace{10mm}\)Solution B\(\hspace{10mm}\)Solution C\(\hspace{10mm}\)
Acidity %30%?50%

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