SOLUTION: A mixture of 8% disinfectant solution is to be made from 10% and 5% disinfectant solution. How much of each solution should be used if 25 gallons if 8% solution are needed?

Question 1096712: A mixture of 8% disinfectant solution is to be made from 10% and 5% disinfectant solution. How much of each solution should be used if 25 gallons if 8% solution are needed?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A mixture of 8% disinfectant solution is to be made from 10% and 5% disinfectant solution. How much of each solution should be used if 25 gallons if 8% solution are needed?
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t + f = 25 --- total solution
10t + 5f = 8*25 --- concentration

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