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Mathematics, 24.05.2021 03:50 markthecow
The average age of 15 Grade 9 students is 14 years and 8 months. If the teacher's age is added, the average changes to 15 years. How old is the teacher?
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The average age of 15 Grade 9 students is 14 years and 8 months. If the teacher's age is added,
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