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    Question

    A chemical plant produces two types of solutions,

    Solution X and Solution Y, which it combines to create a final product. The details are as follows: Solution X consists of 25% chemical A and 75% chemical B. Solution Y consists of 40% chemical A and 60% chemical B. The final product is created by mixing Solution X, Solution Y, and Solution Z so that the resulting mixture contains 30% chemical A and 70% chemical B. Determine the percentage composition of chemical A and chemical B in Solution Z.
    A 1: 4 Correct Answer Incorrect Answer
    B 1: 3 Correct Answer Incorrect Answer
    C 4: 7 Correct Answer Incorrect Answer
    D 3: 4 Correct Answer Incorrect Answer
    E none Correct Answer Incorrect Answer

    Solution

    Ratio of chemical A and chemical B in solution X = 1: 3 Ratio of chemical A and chemical B in solution Y = 2: 3 Ratio of chemical A and chemical B in the final mixture = 3: 7 And let the Ratio of chemical A and chemical B in solution Z = x: y x: y = 1: 3

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