A mixture of 13% disinfectant solution is to be made from 16% and 12% disinfectant solutions. How much of each solution should be used if 40 gallons of 13% solution are needed? __________ gallons of 16% solution __________ gallons of 12% solution

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The Answer of A mixture of 13% disinfectant solution is to be made from 16% and 12% disinfectant solutions. How much of each solution should be used if 40 gallons of 13% solution are needed? __________ gallons of 16% solution __________ gallons of 12% solution

A Mixture of 13% Disinfectant Solution Is to Be Made