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A chemist wishes to make $\\var{Total}$ litres of $\\var{CT}$ % acid solution.
\nShe has at her disposal chemical A, which is $\\var{CA}$ % acid, and chemical B, which is $\\var{CB}$ % acid.
\n\nCB = $\\var{CB}$
\nFind the volume of A and B needed.
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\n$B=\\;$[[1]] litres
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