5 liter larutan garam berkadar 30% dicampur dengan 3 liter larutan garam berkadar 40%. Berapa kadar garam campuran?

Answer and explanation

Correct answer: B. 33,75%

Garam total = (5 x 30 + 3 x 40) per 100 liter-persen = 270; volume total 8 liter, sehingga kadar = 33,75%.

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