Subtopic: Steady and unsteady flow in confined and unconfined aquifers
Question Statement:
A confined aquifer of thickness $15.0\text{ m}$ is pumped at a constant discharge of $0.03\text{ m}^3\text{/s}$. Two observation wells located at radial distances of $20\text{ m}$ and $80\text{ m}$ record drawdowns of $2.5\text{ m}$ and $1.0\text{ m}$ respectively under steady state conditions. The hydraulic conductivity $K$ of the aquifer in $\text{m/day}$ is ________ (round off to 1 decimal place).