Clarissa has just completed her second semester in college. She earned a grade of A in her 2​-hour topology ​course, a grade of A in her 4​-hour psychology ​course, a grade of A in her 1​-hour physics ​course, and a grade of D in her 5​-hour philosophy course. Assuming that A equals 4​ points, B equals 3​ points, C equals 2​ points, D equals 1​ point, and F is worth no​ points, determine Clarissa​'s ​grade-point average for the semester. ​Classrisa grade point average is?

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