Question #$1(3$ pts$.)$:

A nearby reservoir is planned to be held back temporarily during construction by a $60-$foot$-$long $($the dimension into and out of the page$)$ sheet pile retaining wall, as seen in the figure at right. Based on the given info:

a$)$ What will the annual overall seepage rate of the water below the retaining wall?

b$)$ What will the annual loss of water down into a $28,000f{t}^2$ area of the groundwater

lopetwowstes table be$?$