$.$C value should be a composite value for woods and prairie

$(3)$ Given the following contributing watershed information for a project located in

Olympia, Washington, use the Rational Formula and the $25-$year MRI to answer the

following questions.

a$.$ Determine the travel time through the watershed. $($Note: travel time equations can

vary depending on the resource, for this homework problem apply the equations

from Section $4\mathrm{.}5\mathrm{.}3$ of SWMMEW$).$

b$.$ Determine the rainfall intensity in inches$/$hour$.$

c$.$ Calculate the flow rate at the culvert from contributing basin area in cfs$.$