Question
A group of schoolmates went for breakfast together. After breakfast, half of them went home. Among those who remained, 5 of them went shopping together while the rest went for a movie. For those who went for the movie, 6 of them went home after the movie and the remaining 6 of them decided to go for dinner. How many schoolmates went for breakfast together?
3 m

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A group of schoolmates went for breakfast together. After breakfast, half of them went home. Among those who remained, 5 of them went shopping together while the rest went for a movie. For those who went for the movie, 6 of them went home after the movie and the remaining 6 of them decided to go for dinner. How many schoolmates went for breakfast together?