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      Question

      A solution contains vinegar and water in the ratio 7:3.

      If 50 liters of this solution are mixed with 5 liters of vinegar, what will be the new ratio of vinegar to water in the mixture?
      A 10: 7 Correct Answer Incorrect Answer
      B 8: 3 Correct Answer Incorrect Answer
      C 7: 3 Correct Answer Incorrect Answer
      D 5: 2 Correct Answer Incorrect Answer
      E none Correct Answer Incorrect Answer

      Solution

      Vinegar in solution = 7/10 of 50 = 35 liters Water in solution = 3/10 of 50 = 15 liters New ratio of vinegar to water = (35+5): 15 = 40: 15 = 8: 3

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