6 liter larutan garam berkadar 30% dicampur dengan 3 liter larutan garam berkadar 50%. Berapa kadar garam campuran?

Answer and explanation

Correct answer: B. 36,667%

Garam total = (6 x 30 + 3 x 50) per 100 liter-persen = 330; volume total 9 liter, sehingga kadar = 36,667%.

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