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    Question

    The ratio of liquor and soda in a mixture of 70 liters

    is 3:2. How much liquor should be mixed to make the ratio 7:4?
    A 9L Correct Answer Incorrect Answer
    B 6L Correct Answer Incorrect Answer
    C 7L Correct Answer Incorrect Answer
    D 6L Correct Answer Incorrect Answer

    Solution

    Total mixture = 50 liter Liquor               soda 3          :           2 42                    28 7          :           4 Let x liters of soda be added to the mixture. 42+x/28 = 7/4 168+4x= 196 4x = 28 X = 7 liter

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