Jamie has just completed her second semester in college. She earned a grade of B in her 5-hour calculus course, a grade of A in her 2-hour government course, a grade of B in her 2-hour biology course, and a grade of C in her 1-hour studio art course. Assuming that A equals 4 points, B equal 3 points, C equals 2 points, D equals 1 point, and F is worth no points, determine Jamie's grade-point average for the semester.

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