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PROBLEM SOLVING Question & Answer Key Resources The Scholarly Unicorn's SAT Mathematics Advanced Guide
by Dr. Steve Warner

The Scholarly Unicorn's SAT Mathematics Advanced Guide
by Dr. Steve Warner PROBLEM SOLVING

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An educational workshop is attended by students, teachers, tutors, administrators, and parents. Of those attending, 10% are students, 15% are teachers, 12% are tutors, 23% are administrators, and the remaining 80 people are parents. Assuming that each person in attendance has exactly one of the five roles (for example, no teacher is also an administrator), how many more teachers are in attendance than tutors?