Mind Your Decisions presents the "Seemingly impossible number of girls puzzle."
In Miss O's class, 1/3 of the students brought a teddy bear to school. Each boy took 12 books, each girl took 17 books, and each teddy bear took 9 books. A total of 305 books were taken out. How many girls were there in Miss Q's class?
This puzzle might not be very difficult, given that I could solve it and I am a terrible puzzle solver.
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