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The Lost Mountains of Northern Iowa Are Inhabited by the Rare

Question 41

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The Lost Mountains of northern Iowa are inhabited by the rare Marshallian deer.Patches of grass are far apart in this rugged land.If a deer finds a fresh patch of grass and spends h hours grazing it, it gets the square root of h units of grass.The deer compete for grass.When there are n deer, it takes a deer n 2 minutes to find a fresh patch.A deer can survive if it gets 1 unit of grass every 200 minutes.
a.Find the average cost in time of a unit of grass if a deer gets y units of grass from each patch.
b.How much time will an efficient deer spend in each patch when there are n deer? (Hint: Minimize aver-age cost.)
c.Since there is free entry into the deer business, the equilibrium population is the maximum number of efficient deer who can survive.How many is this?

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a.y + (n

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