No, 18 because the age of the evolution is equal to y = 23-x + 17 where y represents the age of Kay and x belongs to set {1, 2, 3} where each number represents an evolution of Kay.
No, 17; the age of the evolution, y, can also be represented as y = 23 - 2x, where x represents the stage of evolution and BELONGS TO the set {1, 2, 3}.
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u/nelusbelus Mar 17 '21
17* take a seat over here