Flashcard 4 - Math Flashcard Set for the SAT Exam

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The ratio indicates that there is 1 teacher for every 12 students, which means that 1 out of 13, or \(\frac{1}{13}\), of all the people going on the trip will be teachers. Since \(\frac{1}{13} \cdot 364 = \frac{364}{13} = 28\), this is the number of teachers that will be in attendance.