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OpenStudy (anonymous):
3. A solution containing 45% water is mixed with another solution containing 10% bromine. If the chemist needs 30 liters of the mixture, how many liters of each solution are needed to make a 34.5% water/bromine solution?
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hero (hero):
Hint: x + y = 30 .45x + .10y = 30(.345)
OpenStudy (anonymous):
Thanks. I got it now :)
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