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OpenStudy (anonymous):
There are two solutions being mixed by a chemist. The first consists of 65% chlorine and the second has 40% chlorine. How many liters of the second solution will be needed for a 25–liter mixture that is 57% chlorine?
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OpenStudy (anonymous):
put \(.65x+.4(25-x)=25\times .57\) and solve for \(x\)
OpenStudy (anonymous):
probably easier to multiply by 100 and solve \[65x+40(25-x)=25\times 57\]
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