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Algebra

posted by on .

Help plz!!!!

(This homework question has been removed due to a copyright claim submitted by K12, Inc.)

  • Algebra - ,

    a.
    Let x = amount of 10% salt solution in gallons
    Since the total volume must be equal to 5,
    Let 5-x = amount of 25% salt solution in gallons

    We'll do a salt balance here. Thus, the equation would be,
    0.1x + 0.25(5-x) = 0.2(5)

    b.
    Solving,
    0.1x + 0.25(5-x) = 0.2(5)
    0.1x + 1.25 - 0.25x = 1
    -0.15x = 1 - 1.25
    -0.15x = -0.25
    x = 1.67 gallons (10% solution)
    5-x = 3.33 gallons (25% solution)

    Hope this helps :3

  • Algebra - ,

    thx a lot it helps out a lot!!! :)

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