SOLUTION: There are two acid solution available. One solution has a 5% acid concentration while the other has 15% acid concentraion. How much solution is needed to obtain 10 gallons of 8% so

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Question 354615: There are two acid solution available. One solution has a 5% acid concentration while the other has 15% acid concentraion. How much solution is needed to obtain 10 gallons of 8% solution?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(x)(5%) + (10 - x)(15%) = (10)(8%)