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OpenStudy (anonymous):
Brine is a solution of salt and water. If a tub contains 50 gallons of a 5% solution of brine, how much water must evaporate to change it to an 8% solution? 81.25 gallons 62.50 gallons 18.75 gallons
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OpenStudy (anonymous):
Wait how can you not tell what the answer is?
OpenStudy (anonymous):
the last one
OpenStudy (anonymous):
yeah
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