Question
Diluting Solutions. How much water should be added to 20 ounces of a $15 \%$ solution of alcohol to dilute it to a $10 \%$ alcohol solution?
Step 1
We know that the amount of alcohol before adding water is equal to the amount of alcohol after adding water. This gives us the equation: \[20 \times 0.15 = (20 + x) \times 0.10\] where x is the amount of water to be added. Show more…
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