The average age when a woman gets married began increasing during the last century. In 1930 the average age was 18.6, in 1950 the average age was 20.2, and in 2002 the average age was 25.3. Find a quadratic function y = ax² + bx + c, where a > 0 and 18 < y < 35, that models the average age y when a woman gets married as a function of the year x (x = 0 corresponds to 1930). What will the average age be in 2010?

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