A sample contains a mixture of two dyes a and b the molar, Ask an Expert

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A sample contains a mixture of two dyes, A and B. The molar absorptivity coefficients for dye A are 4,875 M-1cm-1 at 628nm and 2,518 M^-1cm^-1 at 684 and for dye B are 1,578M^-1cm^-1 at 628nm and 11,543M^-1cm^-1 at 684nm. In an unknown mixture of the two dyes, the absorbance at 628nm is 0.7619 and the absorbance at 684nm is 0.6917. What are the concentrations of the two dyes?

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