- A36
- B35
- C37
- D48
Step-by-Step Solution
Children's total = years. With the teacher, total = years. Teacher = 300 − 264 = 36 years.
Answer: A) 36
The 24 children in a dance class have an average age of 11 years. Adding their teacher's age raises the average to 12 years. How old is the teacher?
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