Situation $2.$ A $3$ layer soil has the

following properties from top to

bottom:

Layer k $($cm$/$s$)$ Thickness $($m$)$

$12\mathrm{.}0\backslash$times $10^-44$

$23\mathrm{.}2\backslash$times $10^-23$

$34\mathrm{.}1\backslash$times $10^-56$

$7.$ Obtain the equivalent horizontal

coefficient of permeability, in cm$/$s$.$

A$.0\mathrm{.}00689$ C$.0\mathrm{.}00809$

B$.0\mathrm{.}00734$ D$.0\mathrm{.}00747$

$8.$ Calculate the transmissivity of the

layer, in m$^2/$day$.$

A$.66\mathrm{.}9$ C$.75\mathrm{.}5$

B$.92\mathrm{.}7$ D$.83\mathrm{.}9$

$9.$ Estimate the rate of flow in the

vertical direction per square meter of

layer, in liters$/$day$,$ if the hydraulic

gradient is $0\mathrm{.}50.$

A$.25\mathrm{.}6$ C$.33\mathrm{.}7$

B$.35\mathrm{.}2$ D$.29\mathrm{.}1$