Answer:
Age of teacher = 32 years
Step-by-step explanation:
Average age of 15 students = 16 years
Sum of age of 15 students = 16 * 15 = 240 years
Average of age 15 students and a teacher = 17 years
Sum of age 15 students and a teacher = 17 * 16 = 272 years
Age of teacher = 272 - 240 = 32 years
Answer:
13r
Step-by-step explanation:
8+9=17-11=6+7=13
Answer:
divide it then you'll get your answer!
Step-by-step explanation:
I believe the answer is A
