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Question: In a survey of 100 students, it was found that 60 students like mathematics, 70 students like science, and 80 students like either mathematics or science. How many students like both mathematics and science? Question: In a survey of 100 students, it was found that 60 students like mathematics, 70 students like science, and 80 students like either mathematics or science. How many students like both mathematics and science?
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