Samantha is planning her study schedule for her upcoming exams. She wants to study for a total of 60 hours over the next 10 days. However, she knows that she can only dedicate 2/3 of each day's study time to her main subject, Mathematics, and the rest to other subjects. How many hours will she spend studying Mathematics over the next 10 days? Let's think step by step and output the final answer within \boxed{}.
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