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6 July, 10:34

Eli wants to combine 0.5 gallon of a 10% acid solution with some 35% acid solution to make a 15% acid solution. Which equation can you use to determine how many gallons of the 35% acid solution Eli should add?

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Answers (2)
  1. 6 July, 11:14
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    (0.10) (0.5) + 0.35g = 0.15 (g+0.5)
  2. 6 July, 11:41
    0
    Let x = number of gallons of the 35% acid solution Eli should add. The equation would be

    0.5 gal (0.1) + x gal (0.35) = (0.5 + x) (0.15)

    This would be the equation to find the answer.

    Solving for x,

    X = 0.125 gallons
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