anna-maria has added 4 quarts of an alcohol in water solution to 1 quart of water and her ending product is a 36% alcohol in wat er solution. what was the concentration of the 4 quarts of alcohol solution that was added?
2 answers:
The amount of the final solution is 4 + 1 = 5 quarts.
The amount of alcohol in the final solution is 5 * 0.36 = 1.8 quarts.
The concentration of alcohol in the 4 quarts of alcohol solution that was added is:
Ok so 4qt of water/alcohol with ?% concentration alcohol+1 quart of water with 0% concentration alcohol=36% of alcohol find ?% find how many quarts total 4+1=5 5 quarts total 36% of that was alcohol 5*0.36=1.8qt alcohol 1.8 out of 4 is 1.8/4=0.45=45% answer is 45% alcohol concentration
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