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29 December, 05:31

If we mix the alcohol solution we have with pure water at the ratio 3:2, we will obtain a solution of 18% alcohol. If we instead mix them at a ratio of 4:1, what will be the alcohol percentage of the solution?

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  1. 29 December, 05:56
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    24%

    Step-by-step explanation:

    When the ratio is 3:2, that means 3/5 is the alcohol solution and 2/5 is pure water.

    If x is the concentration of the alcohol solution, then:

    3/5 x = 0.18

    x = 0.3

    So the alcohol solution is 30%. If we mix it at a ratio of 4:1 (4/5 alcohol solution), the resulting concentration is:

    4/5 (0.3) = 0.24

    The alcohol percentage is 24%.
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