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QUESTION
A mixture of 7% disinfectant solution is to be made from 8% and 5% disinfectant solutions. How much of each solution should be used if 27 gallons of 7% solution are needed
A mixture of 7% disinfectant solution is to be made from 8% and 5% disinfectant solutions. How much of each solution should be used if 27 gallons of 7% solution are needed
