$3\mathrm{.}10.$ Two wells with effective diameters of $36in.)$ are located $)$ apart in an artesian aquifer with $T=2\mathrm{.}5{10}^{4}gp\frac{d}{f}t(310\mathrm{.}45\frac{m^3}{d}\frac{?}{m})$ and $S=4{10}^{-5}.$ Compute the drawdown at each well when the two wells are pumped at $)$ for $20$ days.