A submarine can travel 30mi/hr submerged and 60mi/hr on the surface.The submarine must stay submerged if within 200 miles of shore.Suppose that this submarine wants to meet a surface ship 200 miles off shore.The submarine leaves from a port 300 miles along the coast from the surface ship.What route of the type sketched below should the sub take to minimize its time to rendezvous? Give the value of y to 2 decimal places.
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