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math

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A 10% acid solution is to be mixed with a 50% solution to get 200 liters of a 20% solution. How many liters of each solution should be used?

  • math - ,

    .1x + .5(200-x) = .2(200)
    .1x + 100 -.5x = 40
    -.4x + 100 = 40
    -.4x + 100-100 = 40-100
    -.4x = -60
    x = 150
    10% at 150 and 50% at 50

  • math - ,

    Thank you Kuai!

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