The five tallest buildings in Los Angeles in 1985 had a mean height of 733 feet. The tallest of the

The five tallest buildings in Los Angeles in 1985 had a mean height of 733 feet. The tallest of the five buildings has a height of 858 feet, the shortest of the five 625 feet. If a new building were constructed with a height of 885 feet, by how many feet would it increase the mean height of the five tallest buildings of the city?

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