Question: A (3 mathrm{ft} times 5 mathrm{ft}) double-domed skylight has outer and inner fat-plate plastic transmittances of 0.8 and 0.7, respectively; a (2 mathrm{ft}) deep well

A $3 \mathrm{ft} \times 5 \mathrm{ft}$ double-domed skylight has outer and inner fat-plate plastic transmittances of 0.8 and 0.7, respectively; a $2 \mathrm{ft}$ deep well with $80 \%$ reflectance walls; and a $90 \%$ net skylight area. Calculate the net transmittance of the skylight.

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