GMAT Problem Solving (PS) | Re: If after 200 grams of water were added to the 24% solution

Since 1/3 of 24 is 8, we know that after 200 grams of water were added to the 24%-solution of alcohol, the strength of the solution decreased to 16%. We can let the original amount of solution = x, and thus the original amount of alcohol = 0.24x. We can create the
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