Question $14(1$ point$)$

What is the SWD $($in metres$)$ for a settling tank with an average flow rate of $956705\mathrm{.}28\frac{m^3}{d}$ and a detention time of $239\mathrm{.}39$ minutes. Assume an overflow rate of $1\mathrm{.}21\frac{m}{h}.$

$4\mathrm{.}83$

$8\mathrm{.}05$

$7\mathrm{.}09$

$6\mathrm{.}40$