A 20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. Which of the following expressions is equal to 4(50) A. 0.2x+ 0.7y B. 2x + 7y C. X+Y

A 20% acid solution is mixed with a 70% acid solution to get 50 liters of a 40% solution. Which of the following expressions is equal to 4(50) A. 0.2x+ 0.7y B. 2x + 7y C. X+Y

asked Dec 14, 2020 46.3k views

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