How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 9 gallons of 30% alcohol solution? There needs to be ____ gallons of 25% alcohol solution and ___ gallons of 40% solution.
Added by John K.
Step 1
We know that A + B = 9 (total volume of the mixture) and that the amount of alcohol in the final mixture is 30% of 9 gallons, which is 2.7 gallons. Show more…
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