Atotal of 300 people attended the high school play. The admission prices were $12 for adults, $6 for high school students, and $3 for children not yet in high school. The ticket sales totalled $1830. The principal suggested that. next year they raise prices to $1? for adults, $7 for high school students, and $4 for children not yet in high school. He said that if exactly the same number of people attend next. year, the ticket sales at the higher prices will total 52410. How many adults, high school students, and children not yet in high school attended this year?I The number of adults attending was