SOLUTION: How many gallons of a 3% salt solution must be mixed with 50 gallons of a 7% solution to obtain a 5% solution?
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Question 1048221: How many gallons of a 3% salt solution must be mixed with 50 gallons of a 7% solution to obtain a 5% solution?
Answer by ikleyn(52873) (Show Source): You can put this solution on YOUR website!
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50 gallons.
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