Your grade point average (GPA) is a form of a weighted average. That is, 4 units of A counts more than 4 units of B. The most common weight for grades is A, 4 points; B, 3 points; C, 2 points; D, 1 point; and F, 0 points. Find the GPA for 4 units of A in astronomy, 4 units of D in geometry, 2 units of B in sociology, and 3 units of A in biology. Round your answer to the nearest tenth.

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