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Mathematics 21 Online
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? a.25 b.17 c.5 d.8

OpenStudy (anonymous):

it is b

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