SOLUTION: How much pure acid should be mixed with gallons of a 50% acid solution in order to get a 80% acid solution

SOLUTION: How much pure acid should be mixed with gallons of a 50% acid solution in order to get a 80% acid solution

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Question 744623: How much pure acid should be mixed with gallons of a 50% acid solution in order to get a 80% acid solution
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
You omitted how many gallons of the 50% acid. Call this value g. So you have g gallons of 50% acid. You would add v gallons of the 100% acid.

and you want to solve for v.
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