A search plane has a cruising speed of 250 miles per hour and carries enough fuel for at most 5 hours of flying. If there is a wind that averages 30 miles per hour and the direction of search is with the wind one way and against it the other, how far can the search plane travel? If the search plane is able to add a supplementary fuel tank that allows for an additional 2 hours of flying, how much father can the plane extend its search?

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